Stats

Lifespan

10-17 yrs

Size

Medium

Diet

Herbivore

Activity

Nocturnal

Social

Colony

Biome

Freshwater wetland

Range

Eurasia

Movement

Swimming

Breeding

Live birth

Defense

Burrowing

Status

Common

About

This large rodent builds complex dams and lodges in rivers across Eurasia. Its orange incisors grow continuously and are reinforced with iron to fell trees.

Life cycle

1. 1.
   newborn pup

   A blind, hairless pup nurses in the nest and is unable to regulate its own warmth.
2. 2.
   juvenile

   A weaned juvenile is fully furred, leaves the nest, and begins foraging on solid food.
3. 3.
   adult

   Fully grown and self-sufficient.

Learn more

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Taxonomy

Kingdom

Animalia

Phylum

Chordata

Class

Mammalia

Order

Rodentia

Family

Castoridae

Genus

Castor

Species

Castor fiber