What is the difference between the foot of the Chimpanzee (Pan troglodytes), Gorilla (Gorilla gorilla), and Orangutan (Pongo pygmaeus)?
The Chimpanzee, Gorilla, and Orangutan are primates with five digits on each foot (five toes) with keratin toe nails. Humans also have five digits on each foot with keratin toe nails.
The Gorilla has shorter, wider digits than the Chimpanzee and Orangutan.
The Chimpanzee, Gorilla, and Orangutan have prehensile (grasping) feet. Humans do not have prehensile feet (their feet cannot easily grasp objects).
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What is the difference between the hand of the Chimpanzee (Pan troglodytes), Gorilla (Gorilla gorilla), and Orangutan (Pongo pygmaeus)?
The Chimpanzee, Gorilla, and Orangutan are primates with five digits on each hand (four fingers and one thumb) with keratin fingernails. Humans also have five digits on each hand (four fingers and one thumb) with keratin fingernails.
The Gorilla has shorter, wider digits than the Chimpanzee and Orangutan.
The Gorilla has a wider palm than the Chimpanzee and Orangutan.
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The Addax (Addax nasomaculatus) is an ungulate (hoofed) mammal in the antelope family. It is also known as the White Antelope and the Screwhorn Antelope. It is similar to the Scimitar Oryx.
The Addax has pale-coloured (white or sandy blonde) fur in summer that darkens to greyish-brown in winter. It has white hindquarters and legs. The hair on its head, neck, and shoulders is long and brown. Its head has brown or black markings that form an X-shape over its nose. The male and female have long, spiraled, and twisted horns. Long black hairs protrude between its horns, ending in a short mane on its neck. Its tail is short, ending with a tuft of black hair.
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The Giant Anteater (Myrmecophaga tridactyla) is a large mammal. It is in the Pilosa order, which is the same order as the Sloth. It is also known as the Ant Bear.
The Giant Anteater has long, greyish-black fur with white flecks. It has white front legs, with a band of black across its ankles (or wrists). Its back legs are black. It has a grey head with a long, wide black line and a long, thin white line along its side, from mid-stomach, under its ear, and through its eye. Its head is elongated, with a thick neck, and a long, tubular snout (nose). At the end of the snout is a small mouth (with no teeth) and small nostrils (nose holes for breathing). It has a bushy, brown tail, and long front claws. It has small ears and eyes, with poor eyesight. However, it has an excellent sense of smell.
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How does a cat sharpen its claws?
Human fingernails and cat claws are made from keratin and keep growing their whole life.
Human fingernails do not retract (go in and out) – they do not go back into the skin to make them invisible.
Most cats and wild cats have claws that are exposed or protracted when they use them and are hidden, sheathed, or retracted when they don’t need them.
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The Greater Bamboo Lemur (Prolemur simus) is a medium-sized arboeal strepshirrhine mammal. It is also known as the Broad-Nosed Bamboo Lemur and the Broad-Nosed Gentle Lemur.
The Greater Bamboo Lemur has thick, grey-brown fur with white ear tufts. Its belly has lighter fur. Its tail, nose, and head are black. It has long legs, especially long back legs for leaping. It is a leaper.
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The Geoffrey’s Tufted-Ear Marmoset (Callithrix geoffroyi) is a small arboreal primate mammal in the Callitrichidae family of monkeys. It is also known as the White-Headed Marmoset. It is closely related to the Goeldi’s Monkey, also known as theGoeldi’s Marmoset (Callimico goeldii).
The Geoffrey’s Tufted-Ear Marmoset has long grey, black, and russet-brown-to-orange fur. It has white fur surrounding its face. Its face is small, with bare pink skin and small brownish-orange eyes. It has claws, not nails. It has a long tail.
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The Guanaco (Lama guanicoe) is a camelid mammal. It is related to the Llama.
The Guanaco varies in fur colour, from light-brown to dark cinnamon. It has a white underbelly. Its fur is soft. Its face is grey with small, straight ears.
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The Red-Bellied Lemur (Eulemur rubriventer) is a medium-sized strepshirrhine mammal. It is quadrupedal and arboreal – moving on four limbs and living in trees.
The Red-Bellied Lemur has thick chestnut-brown fur, with lighter and redder fur on its belly. Its tail, nose and head are black. It has patches of white skin below the eyes, which look like teardrops (the male has more pronounced teardrops). The female has more creamy-white patches of fur.
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The Eurasian Lynx (Lynx lynx) is a medium-sized wild cat: a feline mammal. It is a felid.
The Eurasian Lynx has short reddish or brown fur in summer and thick, silky silver-grey to greyish-brown fur in winter, with a long grey and white ruff. Its underbelly, neck and chin are white. Its fur has black spots, although some Lynxes have dark-brown stripes on their forehead and back. It has black tufts of hair on its ears. It has powerful long legs with large webbed, furred paws to enable it to swim and to walk on snowy ground. It has a bobbed tail with a black tip.
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Sometimes sheep and lambs need protection from other sheep with horns. Sometimes horns are damaged and require protection while they heal.
The Paris Zoo has placed rubber stoppers on the horns of the Blue Sheep (Pseudois nayaur) from the Himalayan mountains because there are three baby lambs in the enclosure, and to protect damaged horns.
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The Back Bearded Saki (Chiropotes satanas) is an arboreal primate monkey. It is a mammal.
The Back Bearded Saki has thick, black fur. It has a distinctive thick beard and a bushy black fox-like tail. It has some yellowish-brown markings around its back and shoulders. It has a dark nose and dark eyes. The male has a bulging forehead.
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The Clouded Leopard (Neofelis nebulosi) is a wild cat; a feline mammal (a felid).
The Clouded Leopard has dark-grey to ochre-brown fur, with black and dark-coloured markings. It has black spots on its head, and broken stripes from the corner of its eyes over its cheek, from the corner of its mouth to the neck, and along its shoulders. Its sides have dusky-grey irregular blotches. Its underbelly and legs are spotted.
Its ears are black, and its tail has large, irregular, paired spots. It has short legs with large paws. Its back legs are longer than its front legs. Its eyes have vertical slits with brownish-yellow to greyish-green irises. It has long, sharp canine teeth.
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The White-Faced Saki (Pithecia pithecia) is an arboreal primate monkey. It is a mammal. It is also called the Guianan Saki and the Golden-Faced Saki.
The male White-Faced Saki has blackish fur with a reddish-white forehead, face, and throat, and a bushy tail. Its face is whiter than the female’s face. The female has shorter hair, with brownish-grey fur and white or pale-brown stripes around the corners of her nose and mouth.
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The Kangaroo, Pademelon, Tree-Kangaroo and Wallaby are all macropod (large-footed) marsupial (pouched) mammals.
The Kangaroo, Pademelon, and Wallaby have triangular-shaped faces with black noses, whereas the Tree-Kangaroo has a square-shaped face with a pink nose.
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The Blue Sheep (Pseudois nayaur) is a medium-sized ungulate (hoofed) mammal. It is also called the Bharal or the Himalayan Blue Sheep. It is a caprid. It is native to the Himalayan mountains in India, Nepal, Bhutan, Tibet, and Pakistan.
The female is pregnant for 5 months, before giving birth to one live young. The young, called a lamb, has grey-brown fur. When it is an adult, it gets its blue-grey fur.
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What does the Brown Rat (Rattus norvegicus) drink?
The Brown Rat, common on all continents except Antarctica, is an omnivore, eating almost anything.
The Brown Rat drinks water. It needs to keep hydrated, especially in summer. It drinks freshwater, not salt water.
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The Binturong (Arctictis binturong) is an arboreal mammal. It is also known as a Bearcat. It is not related to bears and it is not related to cats. It is closely related to the Palm Civet. It is a viverrid.
The Binturong has a grey-black, thick, furry body with short legs. Its tail is long, bushy, curls inwards at the end, and is prehensile, which means that it can wrap around branches. It has a short, turned-up, black rounded nose covered with bristly hairs. It has long whiskers.
Its eyes are large and black, with a vertical pupil. It has short, rounded ears, edged with white, with tufts of black hair. It has six short rounded incisor teeth in each jaw, two long sharp canine teeth, and six molar teeth on each side of its jaw. Its five toes have long claws. It has musk glands that emit a scent.
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What are mammary glands?
Mammals have mammary glands.
Mammary glands on a female mammal provide milk for her babies. This is called lactation.
Male mammals have undeveloped mammary glands that do not produce milk.
Babies suckle the mammary glands. This is called nursing.
The number of mammary glands depends on the species of mammal.
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