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 21, 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 …

Beavers, often hailed as nature’s engineers, are far more than just bucktoothed rodents. These industrious creatures play a critical role in shaping landscapes and maintaining healthy ecosystems. …

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 …

Beavers are ecosystem engineers that build dams, boost biodiversity, and help fight climate change. Learn how conservation is helping them thrive.

Beavers are the largest rodents (gnawing animals) in North America and the second largest in the world, behind the South American capybara. Beavers are powerful swimmers that can swim underwater...

Castor includes two extant species, the North American beaver (Castor canadensis) and Eurasian beaver (Castor fiber). Beavers are known for building dams, canals, and lodges. They are the...

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 …

Identification. Beavers (Castor canadensis) are the largest rodents in North America. They are mainly aquatic and easily recognized by their large, flat tail. Legal Status. The le

Find out more about beavers, where they live and how big they are, along with other fascinating beaver facts and what you can do to help.