A beaver swims in a pond on the tundra. (Peter Pearsall/U.S. Fish and Wildlife Service) Oregon’s state animal has for years been classified as a “predator” by the state fish and wildlife agency, and ...

This station is about a species that you probably won’t see from the Waldbauer trail, and yet you see its effects everywhere you look in the Adirondacks. The North American beaver (Castor canadensis) ...

December floods filled this otherwise-dry stream in central Pennsylvania, but human-crafted beaver dam imitations slowed the flow of stormwater downstream. Photo courtesy Siobhan Fathel. SAINT PAUL, ...