A simple drawing of a duck taught me the secrets of how to draw feet—discover the tips and techniques that changed my art ...

WATERBIRDS are masters of physics. When they paddle furiously across a pond, their webbed feet don't just push against the water. They also produce hydrodynamic lift. The discovery explains how ...

However, just having webbed feet won't get you into the duck fraternity. Anhingas and cormorants have webbed feet, as do pelicans and loons.