The fastest animals in the world fly, swim, and run on land. Most of them are birds you probably have never seen before, especially the Frigate Birds that can stay up in the sky for a week.

The peregrine falcon is so fast that scientists had to create a computer model to be able to properly observe how the world’s fastest bird catches its prey. With a diving speed that can reach ...

The ostrich still is the fastest bird of all time and shows that wings are not required to be speedy.

They’re the most abundant duck in the world, and with a wingspan averaging ... I know that the common swift is the fastest flying bird.” T. Scott Sillett, wildlife biologist and head of ...

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.