Did you know that there are some birds that can swim and fly? Did you also know that birds are descendants of a group of dinosaurs called theropods? Theropods are characterized by hollow bones ...

A piece from the American Institute of Physics points out that Gentoo penguins are the fastest swimming birds in the world, and that ability comes from their unique and sophisticated wings.

Many birds avoid landing in the sea because they would struggle to swim in stormy waters. Seabirds don’t have this problem because they are strong swimmers, so they often take a break on the sea ...

Unlike most shorebirds, phalaropes spend most of their time swimming and change their feathers — a process known as molting — en route to their wintering grounds. In phalaropes, the typical bird sex ...