Because of their size, behavior, and habitat, beaver have few enemies.
When foraging on shore or migrating overland, beavers are killed by bears, coyotes, bobcats, cougars, and dogs.
Other identified causes of death are severe winter weather, winter starvation, disease, water fluctuations and floods, and falling trees.
Humans remain the major predator of beavers. Historically, beavers have been one of the most commonly trapped furbearers. In Washington, from 1991 to 2000, an annual average of 5,289 beavers were trapped. However, the average for the past three years has dropped to just over 1,000, due to changes in law
