What is a bird’s egg tooth? How is it used when it hatches from its egg?
When a chick is ready to hatch out of its egg it must break the egg shell.
The chick has a small, sharp, white, projection on the tip of its beak, called an egg tooth.
It is not really a tooth. It is a hard piece of the beak’s tip.
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The Red-Capped Manakin (Ceratopipra mentalis) is a small passerine bird in the Pipridae family.
The male Red-Capped Manakin has a velvety black body, with a bright red head and nape, bright yellow thighs, a pale-yellow chin, and pale-yellow wing linings. The female is olive-green, with paler yellow-green underparts. Both the male and female have brown legs. The male has white eyes and the female has brown eyes.
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The Crowned Hairstreak Butterfly (Evenus coronate) is an insect in the Lycaenidae family of gossamer-winged butterflies.
The Crowned Hairstreak Butterfly has brown, glossy, metallic wings with inner patches of bright blue and a hint of green near its body. Its hind (back) wings have pendulous tips. It has long, clubbed antennae. Its body is light-brown. The adult butterfly has a long proboscis (siphon nose) to suck up the nectar from flowers.
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A goat has four legs. It has knee pads on its two front legs.
A goat kneels on its two front legs to eat grass. Therefore, the knee pads protect the goat’s knees.
The knee pads are hard, hairless, rough calloused patches of skin.
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The Australian Cockroach (Periplaneta australasiae) is a common insect in the roach family.
The Australian Cockroach has a brown waxy exo-skeleton, like a shield. Its head has pale yellow markings. It has long antennae. It has wings and can fly short distances. It has 6 legs, with pads and hooks on its feet that enable it to climb. It can even climb on smooth glass.
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The Red-Faced Black Spider Monkey (Ateles paniscus paniscus) is a mammal. It is also known as the Guiana Spider Monkeyor Red-Faced Spider Monkey.
The Red-Faced Black Spider Monkey has long, black hair and a red-pinkish bare face. It has a long, prehensile tail that can grasp tree branches. It has long limbs and long fingers.
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The Asian Tiger Mosquito (Aedes albopictus orStegomyia albopicta) is a small insect from the Culicidae family of mosquitoes. It is also known as the Forest Day Mosquito.
The Asian Tiger Mosquito has white bands on its long, thin, silvery-black legs and black body. It has a single silvery-white line of scales that begins between its eyes and continues down its back. It has bushy antennae and compound eyes. It has a dark-coloured proboscis (long nose) for sucking blood from the body of animals or humans.
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A frog has bulging eyes.
A frog has three eyelid membranes. One is transparent (see through) to protect the eyes when the frog is underwater. The other two eyelid membranes vary from translucent (clear) to opaque (cloudy).
Its eyes are at the top of its head, and may be the only part of a submerged frog that is seen above the water.
A frog’s iris can have a range of colours and its pupil can be a variety of shapes.
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The African Pouched Rat (Cricetomys gambianus) is a muroid rodent. It is also known as the Gambian Pouched Rat. It is not a true rat. It has pouched cheeks like a Hamster.
The African Pouched Rat has a long grey-reddish furred body, light-coloured tail, pink ears, and a pink-grey nose. It has long incisor teeth.
It has an excellent sense of smell. African Pouched Rats can detect land mines and tuberculosis.
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The Blue Manakin (Chiroxiphia caudata) is a small passerine bird in the Pipridae family. It is also known as a Swallow-Tailed Manakin.
The Blue Manakin male has a bright blue plump body, black wings and tail, and a red crown. The female is olive-green. Both the male and the female have orange-red legs.
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The Leafcutter Ant (Acromyrmex) is a leaf-chewing insect.
The Leafcutter Ant is a reddish-black ant with four pairs of spines and a rough exoskeleton. It has six long legs, long antennae, and strong jaws. It has a thorn on the back of its head and on its thorax and abdomen.
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The Brush-Tailed Bettong (Bettongia penicillata) is a small, rare marsupial mammal. It is also known as the Woylie.
The Brush-Tailed Bettong has grey-brown fur with a pale-cream underbelly. It has some silvery fur. Its tail is rufous-brown (red-brown) with a blackish tip.
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The Greenbottle Fly (Lucilia caesar) is a small insect in the Calliphoridae family of blow flies. It is also known as the Common Greenbottle Fly.
The Greenbottle Fly has a metallic iridescent green colour on its thorax and abdomen. It has bright orange cheeks. It has black bristles (small hairs) on its body.
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The King Penguin (Aptenodytes patagonicus) is a large marine bird.
The King Penguin has a broad, bright orange cheek patch contrasting with its surrounding dark feathers, and yellow-orange feathers at the top of its chest. It has orange markings along the side of its lower mandible (jaw). It has a long, straight beak.
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Sharks do not have lungs. They breathe through gills.
Sharks and rays have rows of gill slits on each side of their bodies, just behind their head.
Most sharks have pairs of gills slits.
The gill slits open to enable water to exit their body, and close to prevent water entering their body.
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Many birds eat bees.
The Asian Houbara Bustard can see a bee 60 metres (200 feet) away.
It usually eats a bee when the bee is on a low plant or on the ground. It approaches the bee from behind.
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The Blue Crane (Grus paradisea) is a large wetlands bird. It is also known as the Stanley Crane or the Paradise Crane.
The Blue Crane has pale blue-grey feathers that are darker on its upper head, neck, and nape. Its beak is greyish pink. It has long wingtip feathers that trail on the ground. It has grey-black wing feathers.
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The Slit Sea Snail (Perotrochus caledonicus orMikadotrochus caledonicus) is a marine (saltwater) gastropod mollusc in the Pleurotomariidae family of slit snails. Gastropod means stomach-footed.
The Slit Sea Snail has gills and an operculum. The operculum is attached at the muscle to the upper surface of the back part of the snail’s body (called the foot). Its shell is conical with whorls (spirals) of orange-brown and yellow-cream. It has a slit (hole) which is small.
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The Perez’s Frog (Pelophylax perezi) is a freshwater wetlands amphibian in the Ranidae family of water frogs. It is also known as the Iberian Waterfrog, the Iberian Green Frog, or the Coruna Frog.
The Perez’s Frog is green, olive or brown. On its back is a green line that runs from head to tail. There are small warts on its back. Its underbelly is creamy-white. It has a slender body with long hind (back) legs, and no tail. It has protruding eyes with vertical pupils. It has webbed feet.
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The Giant Katydid (Stilpnochlora couloniana) is a leaf-like insect. It looks like a grasshopper.
The Giant Katydid is lime green to dark-green. It has brown eyes. Its wings look like a leaf on a tree. The male has a narrower body and longer antennae than the female. It has strong hind (back) legs for jumping. The male can produce a song (to the female) by rubbing its legs to its wings.
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