The descendants of black-bear-sized giants who could haul massive rocks with their mouths, modern Castor canadensis once numbered as many as 400 million in North America. Felling mighty trees with ...

In the high country of Colorado, scientists are doing something unusual to manage rivers. Instead of pouring concrete or digging engineered channels, they’re deploying hand-built wooden dams. But ...

Vermont’s Agency of Natural Resources may trap and remove beavers from 21 state-owned dams impacted by beaver-induced debris. The plan is an effort to comply with new technical standard dam safety ...

Getting your Trinity Audio player ready... High in the mountains west of Fort Collins, teams of scientists and engineers are pretending to be beavers. They may not be swimming or chewing trees, but ...

MINNEAPOLIS — In Minnesota, beavers have long been considered a nuisance, thanks to their uncanny ability to gnaw trees and construct dams that sometimes clog culverts, raise lake levels or flood ...

VANCOUVER, Wash. — The use of artificial beaver dams to replicate the ecological benefits created by the industrious rodents shows promise for offsetting damage to fish habitat, water quality, and ...

Ponds created by beaver dams can help increase freshwater storage, boost biodiversity, contain wildfires, and improve water quality. Beaver populations in North America have fallen from an estimated ...