Facts around Beavers

Beavers room sometimes called the engineers of the woods and they really are. In fact, they can change entire ecosystems through their bare teeth.Beavers room rodents therefore they are carefully related come rats, mice and also squirrels. The beaver in Sweden is the european beaver.

You are watching: How long can beavers stay under water

Scientific name:Castor fiber

Weight:11 – 30 kg (Adult)

Body length:80 – 100 centimeter (without tail)

Tail length:25 – 50 cm

Lifespan:16 – 24 years

Population in Sweden:The populace is approximated to be at the very least 150,000.

Natural predators:Man (hunting + traffic), Wolf, Lynx


Facts around Beavers in Sweden

Beavers are an excellent swimmers and divers

Beavers room well adjusted for an aquatic life through an oily waterproof fur,strong rear webbed feet and also a tail shaped together a paddle.When castle dive they close your nose and eyes and also can remain underwater there is no breathing because that 20 minutes. They favor to be in the water as they are more secure there, but they can additionally be on land while sleeping, feeding, functioning on their lodges and also dams and when grooming their fur.

Perfectly adapted to cold water

The beaver’s hair is brown and very dense, v 23,000 hairs per square centimeter (humans have actually 700). Their coat is greased with a substance referred to as castoreum to protect them agains the cold water.

Beavers build lodges and they live within them

Beavers constantly live close to the water, by a lake, a river, a small stream or also the sea. They develop their lodge (or nest) ~ above the shore of the water utilizing branches, twigs, mud and rocks as structure material.Some beaver lodges have actually been developed to the elevation of an average human. Your living area is preserved dry and over the water line but the enntrance gate is under the water to prevent predators from entering. In locations where there is a lot of sand or mud they may rather just destruction a hole into the bank of the river.

Beavers live in family members groups

Beaver babies are dubbed kits or cubs. The adult couple live together with their kit of the year and also kits from earlier years to kind family groups of approximately 8 beavers. Their young room born in May, increase to four at a time.

Some Beavers construct dams

Since beavers have to make certain their lodge’s entrance continues to be under the water level and also their life compartment over the water level, they should make certain that the water level is rather stable. Beavers the live in lakes and rivers have actually a reasonably stable water level all year around which renders life easier. However, beavers the live in small streams room risking the the water level is lower during a dried season. Thus beavers the live in small streams often construct dams to develop a human body of water, a pond or even a small lake. This dam is constructed of branches, twigs and also mud.

Why carry out beavers reduced down trees?

Beavers often reduced smaller trees and seedlings yet they likewise fell larger trees. One adult beaver can, end one night, usage its teeth to reduced down a tree that is 50 centimetres in diameter.They often cut approximately the trunk off the tree but leave the tree standing to wait because that the wind to execute the rest. When a beaver fells larger trees it is mainly to with the diluent branches in ~ the top. They feed on the leaves, shoots and bark and they additionally use the larger branches as structure material for lodges and dams.

Do beavers eat fish?

No, they don’t eat fish, they room vegetarian. Beavers greatly eat leaves, bark, herbaceous plants and aquatic plants. Beavers carry out not hibernate, yet during Winter as soon as their food sources are short they sleep and rest most of the time.

Hunted come exitinction

The european beaver is a varieties of beaver, i m sorry was as soon as widespread in Sweden, but it was pursued to close to extinction by the end of the 1800’s.The last beavers in Sweden were killed in 1871. That was pursued both because that fur and for castoreum, a secretion of its scent gland believed to have medicinal properties.

See more: Convert 22 Inches Is How Many Feet Are 22 Inches, Convert 22 Inches To Feet

A effective reintroduction

Between 1922 and also 1939 around eighty people were reintroduced right into Western Sweden indigenous Norway. Because the reintroduction the Beaver population has boosted to an estimated 150,000 Beavers and it is currently returning to much of its previous range. The beaver population in Sweden is increasing.