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 ...

Many organisms can transition smoothly from one mode of locomotion to another, often by using the same body parts. For example, flying fish use their fins to steer underwater, and these same ...

A computer model suggests Archaeopteryx may have used two or three powerful leaps to build enough speed for flight.

Scientists have built a bird-inspired robot with legs that can walk on the ground, hop over obstacles and jump into flight, an advance that may lead to the development of drones for complex terrains.

Other than humans and kangaroos, birds are the only animals that rely exclusively on two legs, not four, to move around on land. But the way birds keep their balance is completely different. Sometimes ...