Ants

Black Ant
Ant with labels

Ants

Anatomy
In relation to their size, ants are extremely strong. They are able to pick up more than 50 times their own body weight. This would be the same as a human picking up a car.
Ants have a tiny waist, which separates the thorax from the abdomen and in comparison to the rest of their body they have very large heads with big jaws, which move sideways to chew. They have six legs, each of which has three joints.
Ants have two stomachs, one to hold food for them to eat themselves, the other they use to share food with other ants. This allows some ants to stay and look after the nest whilst the other ants forage for food.
Ants do not have lungs. They breathe through small holes around their bodies called ‘spiracles’. This helps them to survive underwater for over 24 hours.
Most ants have poor eyesight and communicate by using their antennae. Their antennae have joints like elbows. They use the antennae not only to feel their way but also to smell things. They use their mandibles for holding things, cutting, digging and fighting.

Habitat
Most species of ants live in tropical regions such as the Amazon Rainforest but ants can be found all over the world. They build nests underground, in ground-level mounds known as anthills, or in trees and plants with naturally occurring hollows. Their nests contain hundreds of tunnels and rooms.
Some ants will use their heads to plug tunnel exits to stop intruders getting into the nest.

Diet
Adult ants can not swallow solid food. They chew leaves, crumbs and dead insects into a soft pulp, squeeze out the juice and throw away the remains.
Ants also live off of sap-sucking insects, like aphids. They farm aphids for their nectar by herding the aphids to plants with the best sap and moving them inside when it rains. Studies have shown the ants will clip off the aphids’ wings to prevent them from flying away. The ants stroke the aphids’ backs with their antennae to encourage them to produce honeydew droplets.

Lifecycle
Ants were around with the dinosaurs. An ant lives about 40 – 60 days, although some species can live up to thirty years. Most ants are females. They are called workers. It is their job to look for food, look after the young, clean and defend the nest.
Male ants are called drones and their only function is to mate with the princess. The princess and the drones have wings as mating is usually done during flight and is known as the nuptial flight.
The princess will lose her wings after mating and find a suitable place to nest as the queen of a new colony. The drones die after mating. The queen will lay her eggs and lick them to encourage them to hatch. She feeds the young with her own saliva.
When a queen ant dies the whole colony will usually perish.

Behaviour
Ants are more important than earthworms for turning the soil.
Ants do sleep. They hibernate for around four months in the winter. They also take short naps of about a minute throughout the day. They can have over 250 ‘sleep episodes’ in one day.
When an ant finds a suitable source of food it immediately takes the most direct route back to the nest, leaving a scent trail so other ants can find the food. The ants will travel back and forth along the trail until all the food has gone.

Different Species
There are about thirty-five thousand different species of ant in the world. Some interesting facts about some of the different species are:

• Red ants
Red ants have a stinger, which they use to defend their nest.

• Wood ants
Wood ants do not have a stinger but they are able to squirt acid from the end of their abdomens to protect the nest. These ants can live up to ten years. They make their anthills out of twigs, leaves and soil.

• Army ants

Army ants do not have nests as they are always on the move. They carry their eggs and larvae with them as they march in single-file across long distances.

Bees

Bee
Bee with Labels

Bees

Anatomy
Bees have six legs, four wings, nectar pouches and five eyes. The two rear wings are small and attached to the forewings with tiny hooks.
The two eyes either side of their head are compound eyes made up of thousands of lenses, the other three eyes are in the middle of their head and help the bee navigate whilst flying. They can’t see many colours. Their sight is limited to the blue – green colour spectrum. Red appears as black. However, they are able to see ultraviolet light, which helps them find flowers. Using these unique eyes they are also able to recognise people’s faces.
They carry their nectar pouches on their back legs. These pouches are made of stiff, curved hairs.
The stinger is covered in tiny barbs so when a bee uses its stinger, it detaches from their abdomen and they die.

Habitat
Honey bees live in large colonies in hives which they keep very tidy. There can be over 20,000 bees in a colony with one queen. The hive is made from a mixture of beeswax and resin collected from trees. Beeswax is secreted from wax producing glands in the bee’s abdomen. Inside the hive are perfect hexagonal combs made of beeswax called honeycomb. The queen lays her eggs and the workers store honey and pollen in the honeycomb.
In comparison, bumblebees live in underground burrows that have been discarded by mice or other small rodents. The nests have several entrances and are approximately 30cm wide.

Diet
Bees feed on nectar and pollen from flowering plants. Nectar is a sugary liquid that gives bees energy. As it collects this nectar and pollen it pollinates the plants, which helps them to grow. The nectar and pollen is used to make honey. The honey will feed the bees throughout the whole year.
Birds, frogs and newts eat bees.

Lifecycle

A queen can live up to five years. If a queen dies, the workers select a newly-hatched-larvae and feed it royal jelly so it will grow into a replacement queen. The bees make royal jelly by mixing pollen and honey with a special chemical produced by a gland in the nursing bees’ heads.
The queen’s role is to lay eggs. She also produces special chemicals which influence the other bees’ behaviour. She lays her eggs in small batches on a ball of pollen covered by wax. The larvae will feed on the pollen as they grow. The queen will sit on her eggs to keep them warm until the first workers are born.
Workers are all female. It takes about three weeks for them to be born. It is their job to collect food, build and protect the hive, clean and circulate the air by beating their wings. Adult worker bees will live about four weeks. However, some die in as little as five days. It can take about five weeks for a worker bee to become adult.
The male bees are called drones. It is their job to mate with the queen. A queen will only mate once with each male. In the winter the drones are thrown out of the hive.

Behaviour
Bees will fly the shortest route possible between flowers and can fly over 25km an hour. Their wings beat over 200 times a second. However, they can not fly if they are too cold (below 30˚C). They use the sun and other landmarks to find their way.
They have an excellent sense of smell to help them recognise different varieties of flowers. Each colony has its own odour so the bees know where they live. As well as using their sense of smell to communicate bees can communicate by dancing. The faster the dance the more food there is.
Bees use a process known as buzz pollination to pollinate plants, such as tomatoes. They do this by producing a high-pitched buzz whilst holding on to the plant.

Different species
There are over 20,000 different species of bee worldwide, which vary in colour. Some have bands of red and black, some yellow and black, some orange and black, or even white and black. Bumblebees and honey bees are the two most common species and they have many differences between them:

• Honey bees
Honey bees have a barbed stinger. They live in large colonies of over 50,000 bees. They keep their hives extremely tidy. Honey bees swarm. About sixty percent of the worker bees leave the original hive with the old queen to find a good location to build a new hive.
During the winter honey bees will hibernate and feed on the honey they have collected during the summer months. They cluster around the queen inside the hive to keep warm, ensuring the temperature stays around 34˚C.

• Bumblebees

Bumblebees live in small colonies of up to 400 bees. They only produce a small amount of honey for their needs. They do not make enough for beekeepers to harvest. They keep their honey in tiny wax cups, which are strewn in a disorderly fashion around their very untidy nests.
Male bumblebees do not have a stinger. Female bumblebees can sting more than once as their stinger is smooth, not barbed like the honey bee. However, they do not usually live the whole year, so the bumblebee queen will hibernate alone over the winter.

Both Honey bees and bumblebees are in decline. This is very serious as bees are the main pollinators of not only wild flowers but also crops, so play a key role in our food production. The cause of this decline is the loss of habitat and also Varroa Destructor mite, which kills the bees and spreads diseases to their larvae. However, increased use of pesticides may destroy the mite but kills the bees as well. In fact, the Varroa Destructor mite has become immune to many of the pesticides used.
We can help the bees by growing more wild flowers for them to pollinate, providing nest sites for bees and avoiding the use of chemical pesticides. Together we can make a difference.

Beetles

Green Beetle
Green Beetle with labels

Beetles

Anatomy

Beetles are the largest group of living organisms worldwide. They have lived for over 270 million years. They have a head, thorax, abdomen and six legs. They also have a thick, shiny shell that protects them from predators and harsh elements. Adults have two sets of wings. The hard shell splits down the middle and opens out to form the beetle’s forewings. These forewings protect the inner set of wings, which are more delicate in comparison.

Beetles cannot see well, so they use smells, sounds and vibrations to communicate. Most beetles have developed methods to defend themselves, such as camouflage, toxic properties and fighting defences.

Weevils are a type of beetle. They have tiny mouthparts on the tip of a long beak.

Habitat

Beetles have been found on land and in freshwater. They can live on beaches and in deserts, forests, grasslands and mountain regions. They are able to adapt to harsh conditions. However, no beetles have been found in the polar ice caps or in saltwater.

Diet

Beetles mainly eat animal and plant debris. Some of the bigger species will eat small birds and mammals. However, many species of beetle are regarded as pests due to what they eat. Bark beetles and Mountain Pine beetles enjoy burrowing into trees to feed on the wood dust. They are responsible for killing millions of trees each year worldwide. The Khapra beetle eats grain and can devastate a farmer’s stored crops.

Beetles chew their food before swallowing.

Lifecycle

Female beetles lay hundreds of eggs. These eggs hatch into larvae that look like tiny maggots, called grubs. Beetles have a pupa state before turning into adults. Most beetles only live for a year.

Behaviour

Many beetles, such as cicadas, crickets and grasshoppers are very noisy. The cicadas make their sound by vibrating a drum-like organ inside their abdomens, called the tymbal. Grasshoppers rub their legs on their wings to make a sound. Male and female Bark beetles chirp. The Deathwatch beetle makes a loud knocking sound by banging their heads on the walls of wooden tunnels. Darkling beetles tap their abdomens on the ground. A June beetle will squeal if you pick it up.

Fireflies are beetles and they glow in the dark. They have a light organ on their abdomen. Tropical click beetles have a pair of oval light organs on the thorax and a third on the abdomen.

Different species

There are over 350, 000 species of beetles with more being discovered yearly.

Beetles vary in size. The Fringed Ant beetle is the smallest beetle. It is 0.25mm long. The Titan beetle from South America is the largest beetle. It grows 20cm long. The Goliath beetle is the heaviest beetle weighing 100 grams. Beetles are a wide variety of colours and can have stripes and spots.

Some of the most common beetles are:

• Dung beetle

The Dung beetle eats the droppings of other animals which helps break it down as fertilisers for the soil. However, they are very particular about which dung they will eat. Different varieties of Dung beetle will eat different animal’s dung. They also prefer their dung fresh. Dung beetles use the stars to help them navigate and on cloudy days will easily get lost. If walking across hot ground the Dung beetle will stand on their ball of dung to keep their feet cool. They are able to push fifty times their own body weight. The Scarab beetle is a variety of Dung beetle and was a popular sacred symbol in ancient Egypt.

• Stag beetle

They get their name from their jaws, which resemble a stag’s antlers. However, they do not use their jaws to catch prey as they eat sap. Male stag beetles use their antlers to wrestle other males during the mating season. They are able to fly but usually only fly during the mating season. Stag beetles are nocturnal. They have a long lifecycle lasting up to seven years from egg to adult. But the adults only live a few weeks and are unlikely to survive a winter.

• Click beetle

These grow about 13mm long and will eat a mixture of small insects and plant roots. There are over 7000 different varieties of click beetle. However, all of them will drop to the ground as a means of defence. If they land on their back they make a sharp clicking sound using their abdomen to flip themselves up the right way again.

Butterflies, Moths and Caterpillars

Monarch Butterfly
Butterfly with Labels
Box Tree Caterpillar
Caterpillar with labels

Butterflies, Moths and Caterpillars

Anatomy
The bodies of butterflies, moths and caterpillars are split into three parts, the head, thorax and the abdomen. They are all insects because they all have six legs. Yes! Even caterpillars! The other legs on a caterpillar are actually false legs, known as prolegs. These help the caterpillar climb and hold onto surfaces.
Butterflies and moths have four wings. These wings are transparent. The colours on the wings are tiny scales, which will fall off with age or can be easily brushed off by human fingers. Butterflies and moths hear through their wings.
They both have a special straw-like tube, which they uncurl to eat, called a proboscis. They taste things with their feet. They also have an organ called the Johnston’s organ at the base of their antennae, which helps maintain their sense of balance and orientation, especially whilst flying.
Butterflies have thin antennae with a knobbed tip. The tip of a moth’s antennae is straight not knobbed. A moth’s antennae can vary from threadlike, to feathery, or even hairy. Butterflies and moths use their antennae to smell.
Butterflies and moths are short-sighted. They have both compound and simple eyes. Their compound eyes are made of lots of hexagonal lenses, which focus light from their field of view to their optic nerve. The optic nerve carries the light information to their brain. They are unable to see further than about three and a half meters but, they are excellent at discriminating colours and can see ultraviolet light, which is invisible to the human eye. They use ultraviolet light for finding a mate and seeking nectar.
Caterpillars do not have bones. They have over a thousand muscles which help them to move. They have twelve eyes called ocelli, which are unable to identify images but can differentiate between light intensity. They breathe through tiny holes along their abdomen, called spiracles not through their mouths.

Habitat
Caterpillars and moths can be found in a wide variety of habitats worldwide. Some species, such as the Woolly Bear moth can be found in the Arctic. The Woolly Bear moth caterpillar takes nearly seven years to become an adult.
In comparison, butterflies can not survive such cold climates. They can be found in farmlands, forests, gardens, marshes, meadows, rivers, swamps and tropical areas with lots of plant life. When it rains butterflies will find shelter in tree cavities and dense undergrowth.
A group of butterflies is called a flutter.

Diet
Butterflies like to sip nectar from any pollinating flowers and juice from rotting fruits. They also drink water. Male butterflies will drink from muddy puddles to get extra nutrients and minerals needed for mating. Different species of butterfly prefer different types of plants. For example, Black Swallowtail butterflies enjoy carrot, dill, fennel and parsley, Tiger Swallowtail butterflies eat black cherry tree leaves and Monarch butterflies only eat milkweed plants.
Moths prefer to feed from fragrant, white flowers like those of the yucca plant. The hummingbird moth, which has migrated from Africa to many European countries including the UK, will hover in front of a flower and uncurl their proboscis in flight to sip nectar from plants, such as the honeysuckle. Some night-blooming flowers are dependent on moths for pollination.
A caterpillar’s first meal is usually its own egg shell, which is rich in protein. They will spend most of their time eating. Caterpillars are mostly herbivores, eating plants and leaves. Some species, such as the caterpillar of the Cinnabar moth will eat other caterpillars. Others like the caterpillar of the Clothes moth will eat through all types of fabric.
The Lunar moth and the Atlas moth have no mouths so never eat and drink. They live off the energy they stored up as caterpillars.

Lifecycle
There are four stages in the life cycle of the butterfly and the moth:
• Egg – the butterfly and moth lay their eggs on vegetation that will be a suitable food source when they hatch.
• Larva – caterpillars hatch from the eggs and, as soon as they are born, they eat. They shed their skins as they grow bigger. Every time a caterpillar sheds, it sucks in air to enlarge their new exoskeleton before it goes hard. They continue to eat until they have stored enough energy to change.
• Pupa – when the caterpillars have grown large enough it turns into a pupa. The Sphinx moth will pupate underground. A butterfly’s pupa shell is hard and smooth as it is formed from its last caterpillar skin. It is called a chrysalis. A moth’s pupa shell is soft as they spin it out of silk. It is called a cocoon. Inside both, many changes are taking place – antennae grow, wings are formed, mouthparts are transformed. The process is called metamorphosis.
• Adult – when they emerge from the pupa they are unable to fly until their wings have dried and hardened. On average they live about two to four weeks as adults. In this time they eat, mate and lay eggs ready for the cycle to begin again. A male can smell a female from over seven miles away. In colder climates some moths have a two year lifecycle. How long a butterfly or moth can live during its entire life cycle is dependent upon its species.

Behaviour
Butterflies and moths exhibit some different behaviour patterns.

• Butterflies 
Butterflies are only active during the day because they can only feed or fly when their body temperature is at least 30˚C. The butterfly’s’ wings act as mini solar panels. They spread their wings to absorb heat. The tiny veins in their wings carry this heat to their body.
Dark colours absorb more heat. When they do not need to harness the sun’s energy they hold their wings vertically up over their backs. The wings of the Holly Blue butterfly are shiny underneath to reflect heat so they do not get too hot. The lighter coloured butterflies like the Cabbage White also reflect the sun’s rays.

• Moths
Moths do not use their wings in the same way as butterflies to maintain their body temperature. They have plumper and hairier bodies to keep them warm. Unlike butterflies, moths have a fraenulum, which join the forewing to the hind wing. When they fly their wings beat in unison. They heat up their flight muscles by vibrating their wings using their fraenulum. Moths do not have as colourful wings as butterflies and will use their wings to hide their abdomens.
They are active at different times of night depending on their species. They navigate using the moon and the stars. On cloudy evenings they use geomagnetic clues. Moths are often drawn to artificial light sources mistaking it as the moon. The reason they stop when they get close to the bright light, is because the artificial moon becomes the sun, so the moths settle down for their daytime sleep.

Different species
Butterflies and moths come in lots of different shapes and sizes, from as tiny as a pinhead to as large as an adult’s hand. There are over 140,000 species of moths worldwide, whereas there are only 24,000 species of butterfly. Both start as caterpillars. Butterflies, moths and caterpillars have developed different ways of protecting themselves.
Some butterflies and caterpillars, such as the Monarch and the British Swallowtail, use vibrant colours to deter predators. Bright colours usually signal the creature is poisonous or tastes disgusting so other animals stay away. Other butterflies use their wings to mimic more fearsome creatures. For example, the eyespot design on the topside of the Peacock butterfly’s wings can scare large birds, whilst the dark colours underneath the Peacock butterfly’s wings act as camouflage when it holds its wings upright. The Peacock butterfly can also produce a loud grating noise to scare predators by moving its forewings.
Many moths use camouflage colours to blend into their environment and hide from predators. For example, the various species of Hawk moths can look like leaves and the Buff-tip moth looks like a part of a branch. One of the most colourful moths is the Garden Tiger moth. It has chocolate brown with a cream net-pattern on its forewings, and orange hind wings with dark blue spots.
The Lackey moth caterpillar’s bright stripes and hairiness are a warning to birds that they taste horrid, but cuckoos don’t seem to mind and eat them anyway. The most dangerous caterpillar in the UK is the Puss moth caterpillar. It is green with colourful face-like markings on its head and a dark foreboding spike on the tip of its abdomen. When threatened the Puss moth caterpillar sprays formic acid at it’s attacker to prevent itself being eaten.
The Painted Lady butterfly is the most common butterfly in the world.

Ladybirds

Ladybird
Laybird with Labels

Ladybirds

Anatomy
Ladybirds are beetles. Their scientific name is coccinellidae, which means ‘little red sphere’.
They smell with their feet and antennae. They have two eyes but can only see in black and white. They are able to distinguish between light and dark. A ladybirds jaw moves sideways when it chews, not up and down like humans.
All ladybirds have wings. They are hidden under the shiny hard wing cases called the elytra. The elytra are hinged to the pronotum, the section just behind the ladybug’s head. When the ladybug flies, the elytra lift up, releasing the gossamer wings underneath, which beat eighty-five times a second. The wings fold neatly back under the elytra when the ladybird lands.
This hard exoskeleton prevents them from growing any larger and protects them from predators. The spots on the elytra fade as they get older. The spots are always symmetrical. However, not all ladybirds have spots, some are plain others are striped.
A ladybird can retract it head under the pronotum, which acts like a crash helmet, protecting the ladybug’s head from predators, giving it a more rounded appearance. Sometimes the pronotum has spots on as well.

Habitat
Ladybirds are solitary creatures preferring to live alone in vegetation. They can be found in forests, fields and gardens.
Farmers often have ladybird farms to help control pests on their crops.

Diet
Ladybirds eat aphids, such as greenfly and black fly, which helps the farmers’ crops and protects gardens. A few species will eat plants and mildew. They clean themselves after eating. If food is scarce ladybirds will eat each other and their own larvae.
Small birds, dragonflies, wasps, frogs and spiders eat ladybirds.

Lifecycle
The ladybird lifecycle has four stages: egg, larvae, pupa and adult.
The adult will lay about 10-15 eggs on the back of a leaf. These eggs look like tiny spots of yellow gel. A ladybird can lay up to 1000 eggs in its lifetime.
Ladybird larvae look like tiny lizards and shed their skin as they grow. They eat the infertile eggs and aphids before attaching themselves to a leaf for the pupa stage. The pupae are more rounded in shape. After about a week, the skin splits open and the fully grown ladybird emerges. At first they are very pale. It takes a few hours for the shell to harden and become bright red.
The whole process takes about a month. Females are bigger than the males. Their life expectancy is dependent on weather conditions.

Behaviour
Ladybirds hibernate in colonies in winter to keep warm. They are very slow fliers compared to other insects. Their fastest speed is about 15mph.
Its bright colours warn predators to stay away. They release a horrible smelling yellow liquid from their knees which is toxic to small birds and other predators.

Different species
It is not possible to tell a ladybirds age by counting the spots. The spots indicate the different species of ladybird. There are over 5000 different species of ladybird worldwide.
There are lots of different colour ladybirds, not only the common scarlet with black spots, black head, legs and antennae. You can also find orange with black spots, yellow with black spots, black with red spots and grey with white spots, striped or totally brown ladybirds.

Spiders

Cross Spider

Spiders

Anatomy
Spiders are not insects. Insects have six legs, wings and antennae. Spiders have eight legs, no wings and no antennae. Spiders are arachnids. Other members of the arachnid family are mites, ticks and scorpions.
Spiders have an exoskeleton and no backbone. Their bodies are split into two segments the cephalothorax and the abdomen. A spider’s eyes, fangs, pedipalps, legs, stomach, brain and venom glands are all located on the cephalothorax. The silk glands called ‘spinnerets’ are on the abdomen. The whole of their bodies are covered in water-repellent hairs, which help prevent them from getting wet and means they are able to survive hours underwater.
Most spiders have eight eyes, some have six and some have less. There are even spiders that have no eyes. Spiders are generally near-sighted so are unable to see long distances. They use the hair on their bodies and pedipalps to help them feel their way around. The hair on a spiders front legs are used to taste their prey by touching it. Spiders even have short hairs on their feet that allow them to walk upside down on the ceiling.
Most spiders are venomous except one species – the Bagheera Kiplingi, which can be found in Central America in countries such as Mexico. The venom is released through the spider’s fangs.

Habitat
Spiders can live in all kinds of habitats. They like dark places. They can be found in every continent in the world, except the Arctic and Antarctica.
Most spiders live on land but a few, like the raft spider live on and in the water. These spiders can ‘run’ across the water’s surface using the waterproof hairs on their feet.
Abandoned spider’s webs are called cobwebs.

Diet

Spiders make webs to catch their food. They eat many types of harmful insects and help to keep gardens and homes free of pests. However, they are only able to eat their food in liquid form. The spider will stun its prey with venom and then release enzymes from its stomach to reduce their prey to a liquid.
They will also eat old spider’s webs. They roll the old web into a ball and use their digestive enzymes in the same way to break down the silk into liquid form.
Spiders also drink water. This is why they can often be found in the bath.

Lifecycle
Spiders hatch from eggs. The female spider will lay her eggs on a bed of silk. She will then cover them with more silk. This is known as an ‘egg sac’. There can be 200-300 eggs in a sac. The baby spiders will stay in their eggs until the weather gets warm. When they emerge the stronger spiders eat the weaker ones and any unhatched eggs. Some species will eat their mothers and in other species the mother will perish or leave the egg sac before they are born.
The young spiders will shed their exoskeleton as they grow. The female spiders are usually bigger than the males but are fewer in numbers. When they have finished mating the female spider will often eat the male spider.
The average life of a spider is about one to two years. However tarantulas can live up to 20 years and in China they have a colony of ‘holy’ spiders which are over 2,800 years old.

Behaviour

All spiders spin silk but not all spiders build webs to catch their prey. Some will chase and pounce on their prey, like the Wolf spider and the Jumping spider.
Spiders do not only use their silk for catching prey and protecting their young. They also use it for shelter and to help them move. They are able to spin little parachutes and balloon away in the wind. Single threads of silk are known as ‘draglines’ and help a spider to climb back up if they fall or let themselves drop.
When crawling, spiders have four legs off the ground and four legs on the ground. Their muscles only allow them to move their legs towards their bodies. They are unable to pull their legs back out/ they have to pump water into their legs to push them out. When a spider curls into a ball it is not dead. It means it has lost too much water to push their legs out again.

Different species

There are about 40,000 different species of spider. Some of the most common spiders are:

• Orb Web spider
This spider is about 15mm long and has silver-grey markings on its abdomen. It gets its name because it spins an orb shaped web. They feed on flying insects such as butterflies, wasps and flies and are usually found in the garden. They refuse to leave their egg sacs to hunt and feed, so will die before the eggs hatch.

• Giant House spider

These spiders can grow 120mm long. They build sheet like webs in neglected corners of a room and can be found in sheds, attics and garages. They can bite but their venom is not potent enough to harm humans.

• Daddy long-leg spider
This is not the same as the daddy long-legs (crane fly) that flies. They are not spiders. They are insects. The Daddy long-leg spider is easily recognisable by its long spindly legs. It does not have any wings. They have thin grey bodies and can grow to about 45mm. it has a strong venom but its fangs are not strong enough to penetrate human skin.

• Money spider
These are tiny spiders about 2mm in size. It is believed to be good luck if one crawls on you, as you are likely to come into money. They are not harmful to humans. They travel through the air on strands of silk, picked up by the wind. They weave hammock shaped webs and bite their prey to paralyse it, then wrap it in silk. It may be several days before it will eat it.

• Red spider 

The red spider is bright red in colour and about 1mm across. They usually live in grass and are actually mites rather than spiders. They feed on common plants, fruit and vegetables and are harmless to humans and pets.

Some species of spiders are more deadly:

• Black Widow spider

Black Widow spiders can be easily identified by the hourglass shaped mark on their abdomen. They are very poisonous and can be found in many countries worldwide. The Black Widow spider’s venom is fifteen times stronger than a rattle snake. They have tiny bristles on their back legs, which they use to cover their prey with silk once they have trapped it in their large web. The female Black Widow spider will always eat the male after mating and this is how the spider got its name.

• Funnel Web spider
The Funnel Web spider is one of the most deadly spiders in the world and is native to Australia. They are dark coloured and shiny in appearance. They live in burrows underground or in old tree stumps. They line their burrows with silk. They eat lizards and frogs and can live for about twenty years.

• Tarantula

The Tarantula has very a large hairy body and legs so looks more deadly than it actually is. In most species the venom is actually very weak, weaker than a honey bee. Although painful the venom will not harm humans. This is why Tarantulas have become very popular pets. They move very slowly and mainly eat insects, frogs, toads and mice. Females will sometimes eat their mate

Introduction to Dinosaurs

Introduction to Dinosaurs

The Mesozoic Era
The Mesozoic Era was between 250 and 65 million years ago and is split into three periods, known as the Triassic, the Jurassic and the Cretaceous.

Triassic Period (250 – 200 million years ago)
During the Triassic Period there were no continents only one single landmass called Pangaea. It was covered by large deserts, as the climate was exceptionally dry and hot. There would have been no polar ice caps. The plant and animal life would have been very similar, and mainly consisted of those that thrive in hot climates such as cacti and reptiles, whose kidneys are excellent at conserving water and skin is less porous than mammal skin, so perspire less in extreme heat. Before the Triassic Period, the dominant land reptiles were archosaurs (ruling lizards) and therapsids (mammal-like reptiles). These reptiles evolved into the first dinosaurs. But for over twenty million years after the first dinosaurs appeared the most fearsome reptiles were crocodiles. Towards the end of the Triassic period, a series of volcanic eruptions and earthquakes split Pangaea slowly into two smaller land masses, divided by what is known today as the Atlantic Ocean. This affected the climate and vegetation that could survive, which in turn influenced the dinosaurs’ evolution.

Jurassic Period (200 – 145 million years ago)
When Pangaea split into two it created two continents. The southern most continent was called Gondwana and the northern most continent was called Laurasia. However, similarities in the fossils found during the Jurassic period suggest there were probably land bridges between these two land masses. The new ocean would have caused an increase in rainfall. But the climate would have still been warmer than it is now, due to high amounts of carbon dioxide in the atmosphere. The discovery of fossil fuels, indicate plants such as ferns and forests of tall conifer trees grew over vast areas. The changes in the environment and climate caused many large land animals to become extinct – but dinosaurs survived. They evolved into a wide variety of different forms and increased in numbers. The bountiful plant supply encouraged the emergence of enormous herbivore sauropods, such as the Brachiosaurus and Diplodocus. These were the largest animals ever to walk the Earth. By the end of the Jurassic period their herds would have dominated the landscape.

Cretaceous Period (145 – 65 million years ago)
The word Cretaceous comes from the Latin word ‘creta’ meaning chalk. This is because during the Cretaceous period, the sea levels rose and fell, causing single-celled algae to repeatedly flourish and die. Their skeletons would sink to the seabed, forming chalk. The seas separated the land into some of the continents we know today, although they are in different positions. Europe was made up of lots of small islands. The separation of the land masses saw a boost in evolution. Dinosaurs evolved independently in different regions of the world, becoming more diverse. Other groups of organisms also diversified. The first snakes evolved, as well as the first flowering plants. Various insect groups evolved, including bees, which helped to increase the spread of these flowering plants. Mammals evolved into ground dwellers, tree climbers and predators capable of killing small dinosaurs.

Dinosaurs Fun Quiz

The T rex Projector and Room Guard Dinosaur Quiz

If you read the fact sheets carefully you will find all the answers to the below quiz – have fun!

1. In what period did the first dinosaurs evolve?
2. Where does the word ‘Cretaceous’ come from?
3. Who classified the dinosaurs into different groups?
4. Name four sub-groups of lizard hipped dinosaur.
5. Name five sub-groups of bird hipped dinosaur.
6. What group did birds evolve from?
7. How many herbivores can you find on the T rex projector and room guard?
8. How many carnivores can you find on the T rex projector and room guard?
9. How many dinosaurs on the T rex projector and room guard are from the late Cretaceous period?
10. Name the dinosaur on the T rex projector and room guard that is from the early Cretaceous period.
11. Name the dinosaur on the T rex projector and room guard that is from the Mid Jurassic period.
12. How many dinosaurs on the T rex projector and room guard are from the late Jurassic period?
13. How many horned faced dinosaurs are there on the T rex projector and room guard?
14. Name two dinosaurs from the thyreophorans sub-group?
15. Name three sauropods on the T rex projector and room guard?
16. How many beast feet dinosaurs are there on the T rex projector and room guard?
17. What sub groups is the Parasaurolophus?
18. What continent were most of the dinosaur fossils discovered?
19. In what year was the first Tyrannosaurus Rex skeleton found?
20. Which dinosaurs name means ‘bison lizard’?
21. What does Achelousaurus mean?
22. Which dinosaur was named by Barnum Brown in 1908?
23. Who discovered and named the brachiosaurus?
24. How many dinosaurs featured on the T rex projector and room guard did Othniel Charles Marsh name?
25. Where are the two types of Spinosaurus from?
26. What dinosaur did Lawrence Lambe name in 1913?
27. Which dinosaurs name means ‘alarming lizard’?
28. What does Triceratops mean?
29. Where was the Utahraptor found?
30. Which dinosaur has retractable claws?
31. Which dinosaur skeleton is nicknamed ‘Sue’?
32. Which dinosaurs name means ‘roof lizard’?

To find out if you got the answers correct just click on the ’Quiz Answers Page’ 

Dinosaurs Quiz – Answers

Quiz Answers

1. The Triassic period
2. The Latin word ‘Creta’, meaning chalk
3. Harry Seelay
4. Birds, theropods, prosauropods and sauropods
5. Stegosaurs, ankylosaurs, ornithopods, pachycephalosaurs and ceratopsians
6. Saurischians (lizard hipped)
7. 11
8. 7
9. 11
10. Utahraptor
11. Monolophosaurus
12. 5
13. 5
14. Ankylosaurus and Stegosaurus
15. Brachiosaurus, Dicraeosaurus and Diplodocus
16. 7
17. Ornithopods (bird feet)
18. North America
19. 1902
20. Einiosaurus
21. Achelous lizard, after the Greek god Achelous
22. Ankylosaurus
23. Elmer S. Riggs
24. 4
25. Egypt and Morocco
26. Styracosaurus
27. Tarbosaurus
28. Three horned face
29. Utah
30. Velociraptor
31. Tyrannosaurus Rex
32. Stegosaurus

Einiosaurus

Name: Einiosaurus

Pronounced: ie-nee-oh-sore-us

Meaning: ‘Bison lizard’

Period: Late Cretaceous (74 million years ago)

Group: Ceratopsians (horn faces)

Size: It was 6m long. In 2010, Gregory S. Paul estimated the Einiosaurus was 4.5m tall and weighed approximately 1300kg.

Diet: Herbivore

Characteristics: Einiosaurus walked on four legs and had an enormous downward-curving horn protruding from its narrow, pointy nose. The horns above the eyes were shorter and more triangular than other ceratopsians and its frill was relatively smaller too.

Named by: Scott D. Sampson in 1995

Discovery: Einiosaurus fossils have been found exclusively in the upper part of the Two Medicine Formation of Montana and are thought to be part of a herd that died in a catastrophic event like a drought or flood. They were discovered by Jack Horner in 1985 and excavated from 1985-1989 by members of the Museum of the Rockies. At least fifteen Einiosaurus are represented by three adult skulls and hundreds of other bones. These remains are currently at the Museum of the Rockies in Bozeman, Montana.

Tyrannosaurus rex

Name: Tyrannosaurus Rex

Pronounced: tie-RAN-oh-sore-us

Meaning: ‘Tyrant lizard’

Period: Late Cretaceous (67 – 65 million years ago)

Group: Theropods (beast feet)

Size: It was 12m long and 5.6m tall. It weighed 7000kg.

Diet: Carnivore

Characteristics: The Tyrannosaurus Rex walked on two strong legs but its arms were only 1 m long with two-fingered hands. Its stiff, pointed tail was used as a counterbalance for its enormous head when making fast turns. Its skull was over 1.5m long and the jaw contained sixty sharp, pointy teeth, the largest being approximately 20cm long. Palaeontologists know the Tyrannosaurus could crush bones with their teeth, because they have found fossilised Tyrannosaurus dung, which contained the bones of its prey. Also there are distinctive bite marks on the fossils of the Triceratops, which match the teeth formation of the Tyrannosaurus. Plaster casts of the skull have shown the space for the part of the brain responsible for smell was quite big, indicating it had good sense of smell to hunt its prey. Its eyes were on the front of its face and the brain casts showed large visual lobes, so palaeontologists believe it had excellent depth perception for hunting. We know close relatives of the Tyrannosaurus sometimes lived together because fossils of groups have been found in the same place. However, we don’t know for sure if they hunted alone, or in packs. The largest complete skeleton is located at the Field Museum of National History, in Chicago and is nicknamed ‘Sue’.

Named by: Henry Fairfield Osborn in 1905

Discovery: Teeth from what is now documented as a Tyrannosaurus were found in 1874 by Arthur Lakes near Golden, Colorado. The first Tyrannosaurus skeleton was first found by Barnum Brown in 1902, in Hell Creek, Montana, North America. Isolated fossilised footprints have also been assigned to the Tyrannosaurus. The first was discovered at Philmont Scout Ranch, New Mexico, in 1983 by American geologist Charles Pillmore. The second was found in the Hell Creek Formation of Montana in 2007, by British palaeontologist Phil Manning.

Velociraptor

Name: Velociraptor

Pronounced: vel-OSS-ee-rap-tor

Meaning: ‘Quick plunderer’

Period: Late Cretaceous (84 – 80 million years ago)

Group: Theropods (beast feet)

Size: It was approximately 1.8m long and 1m tall. It weighed between 7kg – 15kg.

Diet: Carnivore

Characteristics: The Velociraptor walked on two long, thin legs and had an s-shaped neck. It had a long, flat nose and about eighty very sharp, pointy, curved teeth. Some of the teeth were over 2.5cm long. It had three claws on its front limbs and four claws on the back limbs. Each second toe had a retractable 9cm long, sickle-shaped claw. These claws would have been its main weapon. This dinosaur would probably have hunted in packs. It has been estimated that it may have been able to run up to 40 mph for short bursts. Its stiff tail worked as a counterbalance and allowed it make very quick turns at high speeds. It is now thought to have had a fine feather-like covering as in September 2007, researchers found quill knobs on the front limbs. Palaeontologists claim these bumps indicate where feathers could have grown.

Named by: Henry F. Osborn in 1924

Discovery: During an American Museum of Natural History expedition to the Outer Mongolian Gobi Desert, on 11 August 1923, Peter Kaisen discovered the first Velociraptor fossils, which included a crushed but complete skull and one of its retractable second-toe claws. Between 1988 and 1990, a joint Chinese-Canadian team discovered Velociraptor remains in northern China. To date, about a dozen Velociraptor fossils have been found, including one which died in a battle to the death with a Protoceratops and two hatchling Velociraptor skulls, found near a dinosaur nest in Mongolia, which may have been a tasty meal.