The North American beaver, Castor canadensis, is not a subtle species. The animals serve vital purposes, but they also can be so destructive that they have to be relocated.

The 47-mile-long river preserve is home to 350 species of birds and 82 mammals, including the largest rodent in North America. The restored beaver population peaked at about 100 in 2010.

The North American beaver, Castor canadensis, is not a subtle species. The animals serve vital purposes, but they also can be so destructive that they have to be relocated.

North American Beaver at Carburn Park in Calgary, Alberta. Credit: Chuck Szmurlo, Wikimedia Commons Attribution 2.5 The American beaver, Castor canadensis, nearly didn’t survive European colonialism ...

A beaver tooth and some bones, dated back to A.D. 300-500, were found at Emeryville Shellmound, a sacred burial site of the Ohlone people located on historic Temescal Creek. Now beavers are back ...

When the European-American fur trade killed hundreds of millions of beavers, it destroyed the engine that built and maintained North American wetlands. California alone has lost an estimated 90% ...

Volunteers plant over 100 trees in Frick Park 00:19. PITTSBURGH (KDKA) -- A new resident has moved in at Frick Park. The Pittsburgh Park Rangers have discovered a beaver has moved in at Nine Mile Run.

As beaver became scarce here, the trappers moved west. In fact, the westward expansion of settlers into North America was substantially driven by the fur trade. By the mid-19th century the North ...