Stejneger's Petrel: Small petrel with gray-brown upperparts, dark gray rump, white underparts. Black head, nape, bill. White face. Gray-brown upperwing, black greater coverts and outer primaries forming an M pattern across lower back. Legs and feet are blue-gray. Gray-brown tail mottled with white.
Range and Habitat
Stejneger's Petrel: Endemic breeder at Alejandro Selkirk island in the Juan Fernandez archipelago. Found in the Pacific from Juan Fernandez archipelago to southern California and east of Japan. Pelagic, only comes ashore to breed.
It is considered a vulnerable species because of its restricted breeding range.
The population of the Stejneger's Petrel is decreasing due to introduced cats on its breeding islands.
A group of petrels are collectively known as a "gallon" and a "tank" of petrels.