10 interesting facts about the animals Bashny.Net

Animal Kingdom has always been a mystery for man, because every day we learn about it something new.

1. Crocodiles eat kamni



The stomach of a crocodile - stone place for several reasons. To begin with, through his digestive system runs everything from turtles, fish and birds to giraffes, buffaloes, lions and even other crocodiles. And the stones. Crocodile swallows them, and they remain in his stomach. It is assumed, for ballast in diving.

2. Milk whale - 50% zhirnosti



Take care of the kid - not an easy task for the whale, whose calf reaches 1/3 of the mother. It has 50% milk fat content, which is about 10 times greater than the human. This allows the calf to gain weight quickly.

3. Birds are able to use orientiry



Can you imagine a trip without the crowds of noisy, stubborn drivers or map? Of course not, you're not a bird. Pigeons can fly without problems thousands of kilometers to their former place of nesting. Some species of birds use the built-ferromagnet for orientation. In November 2006, he published an article suggesting that pigeons also use familiar landmarks on the ground, allowing them to find their way home.

4. Beavers winter days dlinnee



Beavers become almost reclusive during winter, living off of harvested food or fat in their tails. They conserve energy by avoiding the cold, staying in their burrows. As a result of these rodents have a light guide. Biological clocks are shifted beaver, and in the day for them to receive a further 5 hours.

5. mole rats do not really slepoy



With his weak eyes and underground lifestyle, African mole rats were considered rodents, which almost did not see the light and use your eyes to detect changes in air flow. But subsequent studies have shown that mole rats still have some vision. The appearance of light may indicate that the tunnel climbed predator. Therefore, these diggers and have vision.

6. chicks peculiar altruizm



It is a mistake to assume that as a result of evolution were only selfish animals who are fighting for their own survival. In some cases, they still exhibit altruism. Chicks have a sense of kinship with feeding they emit a special tweeting. This sound shows other chicks who are in relationship and have similar genes that have food.

7. Many fish change sex organy



There are so many strange land animals, it is easy to forget about what's really unusual is happening under the water. The strange practice of hermaphroditism is more common among fishes than among any other group of vertebrates. Some fish change sex due to hormonal cycle or environmental changes. Others simultaneously possess both male and female sexual organs.

8. giraffes unique krovotok



Giraffe, whose head is located at a height of 4 m from the ground, using its long neck to compete for foliage with other grazers. But with this growth there are some difficulties. The heart must pump blood 2 times stronger than cow's blood to reach the brain and a complex system of blood vessels should prevent the flow of blood to the head, if it goes down.

9. Elephants razumny



Elephants have the largest brain. Do they use their gray matter in the power? It is difficult to measure the intelligence of a human or animal, but the coefficient encephalization elephant - 1.88 (a person - 7.33, chimpanzees - 2.45 and a pig - 0.27). Intelligence and memory go hand in hand, assuming that the memory of an elephant's good enough.

10. Parrots ponimayut



This parrot is generally perceived as meaningless tweeting feathered voice recorder. But research conducted over the past 30 years show that parrots are capable of more than just an imitation. Our feathered friend can solve some linguistic problem at the level of 4-6-year-old child. Parrots understand the meaning of "same" and "different", "large" and "small", as well as numbers. In addition, they can be variously combined words and phrases.

via factroom.ru