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Beavers
The American beaver is the largest rodent in the United States, growing from two to three feet (0.6 to 0.9 meters) long, not including the tail. They have dark-brown waterproof fur and webbed feet. Beaver teeth grow continuously throughout their lives, and beavers must gnaw on trees to keep their teeth from getting too long.
Black Bears
The American black bear's range covers most of the North American continent. They are found in Alaska, much of Canada and the contiguous United States, and extend as far south as northern Mexico. Because of their versatile diet, black bears can live in a variety of habitat types. ... 7 Reasons to Support the Recovering America's Wildlife Act.
Rainbow Trout
Conservation. Because they've been so widely introduced, rainbow trout are not at risk of extinction. They are even considered a pest species in some places where they aren't native. Native populations, though, are threatened by disease, habitat degradation, and fishing.Dam construction has hindered the ability of rainbow trout to migrate upriver, which is necessary for their reproductive ...
Our Work
America's free-ranging bison, which once numbered 20 to 30 million, are down to fewer than 5,000 individuals. In the face of these challenges, the National Wildlife Federation remains at the forefront of the fight to tackle wildlife's greatest threats, working collaboratively to increase wildlife populations and enhance their capacity to ...
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Content Licensing. As the nation's leading wildlife conservation organization and one of the most trusted and respected brands, the National Wildlife Federation inspires people of all ages to develop a deeper understanding and relationship with our natural world.
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