Rodents

10th place: The teeth of rodents grow throughout life. Bite hamster bite sometimes frightening many other, larger and stronger animals. Long and thin front teeth (incisors) at the time of this rodent bite is slightly deflected to the side and thus cause deep and laceration.

9th place: The biggest rats live in the Philippines. Their length is 80 centimeters.

8th place: Weasel and ermine - are one and the same animal. Everything is determined by the color of skin. In winter, the white skin and the animal we call an Ermine, at other times - brown (the weasel).

7th place: When shrew (small animal, like a mouse, with a sharp nose) is worried her pulse frequency of up to 1,300 strokes per minute. Normal heart rate at rest in the adult is 60 - 80 beats per minute. For men the average heart rate is slightly lower than in women, since the frequency of the pulse depends, inter alia, the growth of the higher height, the slower the pulse.

6th place: In the deserts of the American West live kangaroo mouse who, fleeing from danger, do polu¬metrovye jumping. Using its tail as a rudder, the mouse is almost at a right angle do turns in the air, which helps them to throw in any direction.

5th place: Hare running speed can reach 72 km / h, and a rabbit - 56 km / h. Beijing Olympic champion Usain Bolt at the World Championships in 2009, ran a hundred meters in 9, 58 seconds. Bolt's average speed on a distance of 37, 76 km / h, and in the top 20 meters reached 44, 71 km / h.

4th place: Rats can breathe under water for two minutes.

3rd place: In the fall of a 5-storey building of the rat does not receive any damage

2nd place: In the desert in the southwest of North America inhabited by an amazing creature - rocky protein. It is very vivid and moving creature can not drink for ... 100 days! Camel stand without water for only 30 days.

1st place: A pair of rats can produce birth to 15,000 babies a year.