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).

Jan 6, 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 …

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, 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. …

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

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.

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. …

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 …

What are beavers? 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 …