The family Procellariidae is a group of seabirds that comprises the fulmarine petrels, the gadfly petrels, the diving petrels, the prions, and the shearwaters. This family is part of the bird order Pr
Damier du Cap Cape Petrel
The flight of giant petrels is aided by a shoulder-lock that holds their wing out without effort.
To take off this Christmas shearwater (Puffinus nativitatis) must face into a strong wind. In calm conditions it must run in order to obtain a high airspeed.
Million-strong flocks of shearwaters migrate from New Zealand to Alaska every year.
Albatrosses, of the biological family Diomedeidae, are large seabirds related to the procellariids, storm petrels, and diving petrels in the order Procellariiformes. They range widely in the Southern
Procellariidae
…the diving petrels, the prions, and the shearwaters. This family is part of the bird order Procellariiformes (or tubenoses), which also includes the albatrosses and the storm petrels. The procellariids are the most numerous family of tubenoses, and the most diverse. They range in size from the giant petrels…
Skeleton of a black-browed albatross on display at the Museum of Osteology in Oklahoma City, Oklahoma, U.S.
Unlike most Procellariiformes, albatrosses, like this black-footed albatross, can walk well on land.[citation needed]
A southern royal albatross: Note the large, hooked beak and nasal tubes.