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 …

Nov 7, 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 beaver, Castor canadensis, is North America’s largest rodent. Before European colonists arrived, the species was plentiful from the Mexican border to the Arctic.

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.

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 …

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 …

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 also …

The North American beaver (Castor canadensis) is a semiaquatic animal native to North America. It is one of the official national wildlife of Canada symbols and is the official state mammal of …

Nov 20, 2025 · Beavers are Dam Good for Biodiversity, Bringing Bats, Butterflies and Other Critters to Their Neighborhoods Two new studies suggest that the semi-aquatic rodents …

The beaver is the second-largest rodent after the capybara and a key ecosystem engineer. Using powerful incisors, it cuts trees and builds dams that reshape streams, create ponds and flood …