- Beavers are born with innate dam-building instincts. In zoos, they regularly `repair’ concrete dams with twigs.
- It takes two adult beavers about 15 minutes to gnaw their way through a treetrunk with a 10 cm diameter.
- Mother beavers push tired youngsters ahead of them through the water, like swimming floats.
- Storing extra oxygen in its lungs and body tissues, a beaver can remain under water for up to 15 minutes.
- Beavers use the split claws on their hind feet for grooming and spreading waterproof oil.
- A beaver signals danger by smacking the water with its tail. The noise carries over 1 km.
- The territory-marking secretion of the beaver contains the main ingredient 1 1 1 the painkiller aspirin.
- Beavers’ dams and lodges can help create environments for fish.
- In some parts of the USA, beavers are parachute-dropped into areas where remote rivers need damming to reduce erosion.
- The beaver uses its huge incisor teeth to gnaw through branches and tree trunks. European beavers took to living in burrows to avoid hunters. They are now protected by law.
Facts About Beavers
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