River engineers, or where the beavers live

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Several million years ago, beavers were not inferior in size to today's bears.Modern beavers also much smaller than their ancestors.Adult animal reaches a length of 1.2 meters and weighs 30 kilograms, and some of them all 45!His tail has to quite a large percentage of the total length to 22 centimeters tela-.His head was small, round, with small eyes.Coat color - from reddish-brown to almost black.Europe and Asia - are the main places where beavers live.For his invaluable talent for the construction of dams and their own homes popularly nicknamed "river engineers".

exemplary family man

This unique animals in terms of interpersonal relationships.Beavers - real family man.The male with his female form a family like people: Beaver defends his "wife", saves her.Together, they live life.In spring Beaver brings him to eight beavers.They are born sighted and already covered with fur.A few days after his birth bobryata begin to swim.The first month of their lives, they feed on their mother's milk, and after already able to eat as adults.Because these animals all his life engaged in construction activities (which we describe below), it is logical to assume, than eat beavers.Their food - it is the branches of trees, their trunks, shoots, roots of water plants ... In short, from what build, and eat those.

River engineers

But where beavers live all its family friendly?If you think it's corny burrows deeply mistaken.With pride we can say that "shaggy Engineers" live in their own "apartment"!They build their own huts, the so-called islands of blocking the dam.As a building material used beaver aspen and alder, growing thickly along the shores.How does this happen?"Builders" felled trees, bit their trunks.Bite off pieces of wood in his mouth, they dragged to the place of their future house, sticking their sharp end in the bottom of the remaining pawns so that they are not claimed over.Next comes the smooth shaft of sticks, stones pinned to reliability.Rounding out the process of the leaves, clay and other debris.In fact, many people building techniques adopted it is from these animals.

Family Business

bobryata When growing up, then quickly included in the total family affair.They help their parents to repair the hut, update it, and deal with a matter of life of beavers - to build a dam to keep the water flooded their house.In the fall, where the beavers live, there Fodder for the winter.In short, the thrifty and industrious animals - good hosts.

The animals in the price

Beavers - a valuable fur-bearing animals.In the XIX century it was almost extinct due to their chic fashion fur.All the aristocracy of the time preferred to go to the beaver hats and coats.But, fortunately, the fashion has passed quickly, and have passed laws on the protection of animals.To this day, the beavers are protected by law.

Wonderful tail

First, beaver tail - is steering while swimming.Secondly, this thermostat if beaver hot, its blood vessels located in the tail and begin to expand to pass the blood, which in turn gives heat to the water.If the animal is cold, for example, in the winter - in the wake of the vessels are compressed, allowing the body to retain heat.Third, it is signaling to his relatives if they are in danger, then begins the beaver tail slapping loudly on the water.

Unbelievable but true

Once in the United States, where the beavers live Canadian origin, was discovered six-meter dam height and 10 meters in length!In the state of New Hampshire found ... dam length of 1 kilometer to 200 meters!In her dam were 40 beaver lodges.