Beavers (genus Castor) are large semiaquatic rodents of the Northern Hemisphere. There are two extant species: the North American beaver (Castor canadensis) and the Eurasian beaver (C. fiber). …

Beavers are generally monogamous and sexually mature at about three years of age. Peak breeding activity occurs during the winter season, usually in January or February. Young are born between …

May 16, 2026 · beaver, (genus Castor), either of two species of amphibious rodents native to North America, Europe, and Asia. Beavers are the largest rodents in North America and Eurasia and the …

In Canada and the United States, the North American beaver is often referred to simply as "beaver", although this can cause some confusion because another distantly related rodent, Aplodontia rufa, is …

The beaver is the largest rodent in North America and Europe and is a formidable beast. It directs the streams, controls the woodland, and provides for a spectacular diversity of organisms.

Apr 3, 2026 · A beaver’s daily engineering makes a huge impact on their ecosystem: their dams cause rivers to overflow, transform narrow streams into complex braids, and can turn entire forests into …

Everything you should know about the Beaver. The Beaver is a large, semi-aquatic rodent known for building dams in rivers and creeks.

Apr 3, 2026 · 9 Fascinating Facts About North America’s Master Builder, the Beaver These facts will make you a beaver believer.

Beavers are large rodents with adaptations for the aquatic environment: They have short limbs and their hind feet are large and webbed for propulsion in the water, whilst the front paws are dextrous for …

Beavers are powerful swimmers that can swim underwater for up to 15 minutes. As the beaver dips underwater, the nose and ears shut to keep water out. Transparent inner eyelids close over each...