Managing industrious beavers in Canada proves difficult

Beavers may be a national symbol in Canada, but the large, stubborn rodents can cause problems for property owners and landscape managers. Beavers can flood logging roads, inundate property and use fence posts for their dams and lodges. Beavers (Castor canadensis) are managed a variety of ways in Ontario—some more successful than others. Some people have created tools like beaver deceivers, which lower the water level without creating the sound of running water that the animals home in on when repairing their dams. Without devices like this, beavers can be stubborn and persistent, returning to dam the same places time after time, even after translocations. Sometimes, when one beaver is removed, another will appear.

Read more at The New York Times.