Mammals – a group of animals, the main distinguishing feature, which is that the young of these animals eat milk. By the way, if we refer man to the animal world, then people are essentially mammals. Mammals, include animals and the class vertebrates, and number a huge number of species. Mammals include both the most common animals that we used to see every day, and the most exotic: cats, dogs, mice, tigers, lions, giraffes, hyenas. In the course of their historical development, mammals have undergone great changes. Today, mammals are the most common species of animals. This is due to the amazing ability of animals of this class to adapt to different natural conditions. The habitat of mammals is wide, these animals live in large numbers around the globe. It should be noted that mammals are the most developed animals by the structure of the organism.
Characteristic features of mammals are the presence of hair, warm blood, four-chamber heart and a special structure of the brain.
The ancestors of the mammals are considered to be ancient reptiles. Some representatives mammals, and today, have external similarities with their ancestors. A distinctive feature of modern mammals from reptiles are the features of the structure of the skeleton.
Aardvark lives in Central and southern Africa, preferring savannas with thickets of bushes. Quite an original creation of nature, it looks like several animals. The body is similar to a pig, ears (their length up to 20cm) - like a donkey, a long elongated muzzle with a proboscis resembles an anteater, and a strong muscular tail seems to have borrowed the ukenguru. Strong thick claws on the paws are similar to hooves. Eyes small, nose as Piglet, with large nostrils. Here is such an unusual beast-aardvark. Its body length 90 – 160cm, 40 – 50 cm being the tail, the animal's weight about 80 kg. Color truncatable - brown. The coat is bristly and hard.Aardvark leads a solitary lifestyle, active at night, and during the day hiding in burrows. Sometimes it comes out cool in the day to enjoy the sun.
The African warthog lives in Africa, preferring woodlands, thickets of bushes and savannas. At first glance, the warthog looks like a wild boar, but looking closely, we see a rather unusual animal. On the large elongated head of the warthog, or rather on the muzzle, there are skin warts that grow all his life. In adult males at "age", warts resemble cones. From the mouth of the warthog protrude two pairs of tusks – nothing more than well-developed fangs. Upper canines curved and long, can reach 60cm. Body length of a warthog 145-190cm, tail 40cm, height 65 – 80 cm, weight 80 – 150kg. Females are inferior to males in weight and size. Torso African warthog massive, thin gray skin covered with sparse bristles.
Tapirs live in Central America, South America and Southeast Asia. Tapirs belong to the order ungulates. In the wild, there are 4 species: Mountain tapir, Plain tapir, Central American tapir-all of them live in America, and Cheprachny tapir, which lives in Asia. Coloring animal from dark brown color of, until dark brown and even black color of applies to American kinds of. The tapir have black color more elegant, on the back and sides and belly of the animal a single large white spot. The tips of the ears are painted with a thin white stripe. The skin is thick, strong with short hairs. All tapirs have a heavy body on short slender legs, an elongated head and a very short tail. On the face of little eyes that can't see.
Little Panda lives in East Asia, namely in Tibet, China, Burma, Nepal and in the mountainous regions of India. Small Panda prefers mixed forests, and that enough of it grew bamboo. The length of this pretty animal up to 62 cm, the length of the bushy tail - up to 45 cm, and the weight is about 3.5 kg to 6 kg. Long body, small head with a pointed cunning muzzle, like a Fox, short legs with strong claws poluvtyazhnymi-that's it, a small Panda. Ears have a triangular shape, with the inside white. Eyes and nose black color of. The little Panda has a very beautiful color of fur on the top of the body coat bright red, and the bottom is much darker - to brown and black. On the face near the nose and around the eyes, white color, which gradually passes to the neck and chest of the animal. The beautiful tail is wrapped in dark longitudinal stripes. In mouth faint pandas 38 pressing teeth. Vision, hearing and smell are well developed.