Hancock's Storm-Petrel (Oceanodroma hancocki) is a small seabird belonging to the family Oceanitidae.
Description: These birds are characterized by their small size and dark plumage. They are typically blackish-brown with a paler band on their upper wings. The rump is often white or pale gray.
Habitat: Their breeding habitats are not well-understood, and their distribution remains somewhat of a mystery.They're mostly seen off the coast of South America.
Diet: Hancock's Storm-Petrels primarily feed on plankton, small fish, and crustaceans that they obtain from the ocean surface.
Conservation Status: Due to the lack of information regarding its breeding sites and population size, the Hancock's Storm-Petrel's conservation status is difficult to assess. However, threats to seabirds in general, like habitat loss and climate change, likely impact this species as well.