Monotreme
Today there is only 5 living species of monotreme they are; the duck-billed platypus and four species of echidna aka piny anteaters. They are about 1 or 2 feet and can weight around 3-4 pounds, are all found in Australia and new guinea. Monotremes have some similarity of reptiles and bird because they lay these tiny eggs less than 2 cm egg that has a shell. however they do produce milk to feed its young. Mnotreme have no teeth but however they do have a single bone in their lower jaw, 3 middle ear bones, high metabolic rates, and hair. Their diet consist of insect larvae, shrimp, frogs, and fish eggs.
Duck- billed platypus
they weight around 22kg for females and 9 kg for males. they have about 800 hairs per square millimeter. That is denser than the fur of the river otter or a polar bear. The thermal qualities of the fur allow the platypus allow the platypus to withstand cold. They have four legs it walks on land and they shuffle like a lizard. the front feet have these large webs of skin that helps them "swim" in water and on land if they are fold back these sharp claws will appear (they help them dig burrows) when swimming their eyes, ear, and nostrils are closed for that they use its electro-sensitive bill locate food. That makes them an excellent hunter at night or in murky water!
Marsupials
Another group of mammals, they give live birth at a very early stage (the baby) from there they are nurtured (given milk) and they grow in their mother pouch they will develop eyes, ears and fur. like other mammals it is covered with hair. they live in forest, plains, and deserts. they include kangaroos, koalas, wallabies, wombats, bandicoots, and oposssums. (kangaroos are the largest marsupials).
Koala
they have soft, wool-like fur that are gray above and white below. they do resemble to a bear but is a marsupial,they weight around 30 pounds and on average they grow about 2 feet. they can live for up to 17 years. they like to live in eucalyptus forest, coastal island,and low woodland. they sleep for 16 hours a day (lazy) and they rather live on their own. they eat tree bark and leaves(eucalyptus). The breeding season is around September- march during that time they increase their activity and sounds to attract males, female can start breeding around their 3rd or 4th year they usually produce one offspring each year. the only only drinks the mothers milk for six weeks! and remains in the pouch slowly growing.
Placental Mammals
they are a very diverse group with nearly 4000 species mostly rodents and rats, they include other forms such as whales, elephants, shrews, armadillos,pets such as cats and dogs, sheep, cattle, and of course us Humans.
Dog
Polar bears
Polar Bears are large, meat-eating bears who are well-adapted for life in their frozen Arctic environment. They are powerful swimmers who hunt seals in the water. Polar bears can run in bursts up to 25 mph. they hunt and catch their prey in the water, often many miles from land. They are fierce predators who eat mostly seals (and some walruses and other marine mammals). A polar bear's stomach can hold up to 150 pounds. Polar bears don't drink water. hen pregnant, females (called sows) build snow dens in which they spend the winter; they usually give birth to twin cubs. Male polar bears (called boars) are active all year. Polar Bears live in icy Arctic areas of Alaska, Canada, Greenland, Norway, and Russia. They spend much of their time swimming in frigid seas.
Panda
Giant pandas are white with black patches around the eyes, ears, shoulders, chest, legs, and feet.The largest pandas grow to be about 250 pounds They are about 5.25 to 6 feet long. The average adult male panda grows to be about 3 feet tall at the shoulder and weighs about 220 pounds.The average adult female panda grows to be about 2.5 feet tall at the shoulder and weighs about 180 pounds . Pandas have the most specialized diet of any of the bears. Their diet is almost exclusively two species of bamboo ,arrow and umbrella bamboo. Pandas eat about 40 pounds of food each day.Pandas have very thick, oily, woolly fur that keeps them warm in their cold, can live to be 35 years old.Pandas have a very slow reproductive rate which contributes to their declining numbers,Male and female giant pandas mate in the spring, attracting each other with calls and odors. The giant panda seems to have evolved during the late Pliocene or early Pleistocene, roughly two to three million years ago. part of the Ursidae family.
Human/Homo sapiens- i think that you guy have captured and visit our planet to know well enough about us.
Vampire bat
Vampire Bats are small flying mammals. They give birth to live young and nourish them with milk. They are nocturnal; they are most active at night and sleep during the day hanging upside-down. Vampire Bats live in Central and South America. Bats' wings are long fingers covered by thin skin, and they have furry bodies. These tailless mammals have weak legs and don't walk very well. Vampire Bats have a wingspan of only 8 inches.Vampire Bats can see, but use echolocation as their primary sense in order to find insects and small animals to eat. While flying, these bats send out high-pitched sounds that bounce off other objects. The bat listens for the bounced sound, and can determine where objects are located. People cannot hear these high-pitched sounds. The vampire bat is the only bat that eats blood, preying on cattle, horses, large birds and pigs. Vampire bats don't suck animals' blood, they make a small hole with their two very sharp incisor teeth and lap up the blood, which doesn't clot because of anti-coagulants in the bat's saliva.
Chimpanzee
Chimpanzees are very intelligent great apes that are closely related to humans. They live in a variety of environments in western and central Africa. Chimps live in small, stable groups of about 40-60 chimps. They are an endangered species, since the forests they live in are cut down and used for farm land.Chimpanzees often use tools in the wild. They use sticks to get ants and termites to eat and to scare away intruders. They also use chewed-up leaves like a sponge to sop up water to drink. : Chimpanzees are omnivores. They forage for food in the forests during the day, eating leaves, fruit, seeds, and other plant material. They also eat termites, ants, and small animals
Friday, April 9, 2010
Mammals
Posted by Rhode Jean Jacques at 9:55 PM
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