Flamingos look almost unreal when you see them standing still in water. Bright pink feathers. Long curved neck. And that strange habit of balancing perfectly on one leg for minutes or even hours. For ...

Add Yahoo as a preferred source to see more of our stories on Google. American flamingo, courtesy Gilberto Sanchez Other than humans and kangaroos, birds are the only animals that rely exclusively on ...

Standing on one leg like this is seriously tiring and not all that easy. At least not for a long time. But some birds do it for hours. Believe it or not this has been a tough question for scientists ...