The call came during the 20th century's first decade: Did the Interior Department have any surplus beavers?

Time to start the New Year with a little test of your national parks knowledge. See how much you really know by taking the quiz before checking the answers.

Once again the National Park Service is moving to reverse itself on hunting and trapping regulations in national preserves in Alaska, moving to ban controversial sport hunting practices such as using donuts or grease-soaked bread to lure bears within range.

Though national parks can play vital roles in helping species move off the threatened and endangered species lists, the challenges are mounting.