- Beavers are monogamous and often live with family members.
- It is one of two extant species of the genus Castor, the other species is the North American beaver, Castor canadensis.
- It is the third largest living rodent species, after the capybara and North American beaver.
- Beavers feed on terrestrial deciduous tree parts and herbs but also on aquatic vegetation.
- Its teeth contain iron which makes them very strong and gives them an orange colour.
- Beavers can cut down a tree over 50 cm in diameter.
- They are able to build dams to create ponds and wetlands.
- Beavers were widespread in northern Eurasia but had been extirpated from many European countries due to hunting.
- It has been reintroduced to many European countries that it was extirpated from.