Vultures are natures clean-up crew, swiftly flying in to rid our nations highways of roadkill—among other acts that help the environment.

BIRDS
John James Audubon didn't establish the Audubon Society, but he did create of America's most iconic works of natural history, 'The Birds of America.' He also had controversial views about vultures.
With their comical expressions and orange beaks full of fish, Atlantic puffins and their kin are some of the most recognizable birds on the planet. Read on for more puffin facts.
Farts really can be deadly.
Scientists just discovered 1.5 million penguins living on a chain of remote Antarctic islands, thanks to satellite images of their telltale poop.
Bird bodies are made to fly. They have light bones, strong legs, and specially shaped wings. Flying helps birds get away from animals that want to eat them.