Birds have impressive balancing skills. Learn how birds stand on one leg and stay upright even while they're sleeping.

If you visited the shores of South Carolina recently, you may have spotted birds standing on one leg. You might have worried that the seagull, sandpiper or oystercatcher was injured. Shorebird expert ...

Add Yahoo as a preferred source to see more of our stories on Google. Courtesy Gilberto Sanchez Other than humans and kangaroos, birds are the only animals that rely exclusively on two legs, not four, ...