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

Dec 10, 2025 · 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 …

The beaver uses its tail for swimming, for communicating warnings, for storing fat and also for support. Beavers are slow and clumsy on land, but agile and quick in the water.

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...

Beavers are the largest rodents in North America and one of the few species that significantly change their environment. By building dams, which form slow-moving ponds and reduce erosion, they …

Today, there are two recognized species of beaver, the Eurasian beaver and the North American beaver. The North American beaver is native to the US, Canada, and northern Mexico, and lives in a …

Beavers are semi-aquatic herbivores. They travel from water to land to collect and eat tree bark, leaves, roots, and wetland plants. Beavers are monogamous. They mate at around three years of age. …

FACTS ABOUT OREGON’S BEAVERS The American Beaver (Castor canadensis) is the largest living rodent in North America. Adults average 40 pounds in weight and measure more than three feet in …

Beavers are fascinating semi-aquatic mammals known for their incredible ability to transform landscapes. With their distinctive skills in dam-building and lodge construction, these rodents play a …

Diet A beaver’s diet shifts seasonally. During the summer, beavers will primarily eat non-woody vegetation like corn, watercress, and other green, leafy plants. Outside of the growing season—like …