Bannerman's shearwater (''Puffinus bannermani'') is a

seabird Seabirds (also known as marine birds) are birds that are adaptation, adapted to life within the marine ecosystem, marine environment. While seabirds vary greatly in lifestyle, behaviour and physiology, they often exhibit striking convergent ...

in the family

Procellariidae The family (biology), family Procellariidae is a group of seabirds that comprises the fulmarine petrels, the gadfly petrels, the diving petrels, the prion (bird), prions, and the shearwaters. This family is part of the bird order (biology), orde ...

formerly considered conspecific with

Audubon's shearwater The Sargasso shearwater (''Puffinus lherminieri'') is a small Tropics, tropical seabird in the Procellariidae, petrel family (biology), family. The only shearwater to nest primarily in the Caribbean, it ranges throughout the western Atlantic duri ...

(''Puffinus lherminieri'').

Range

Little is known of this species other than that it breeds in the

Volcano Islands The or are a group of three Japanese-governed islands in Micronesia. They lie south of the Ogasawara Islands and belong to the municipality of Ogasawara, Tokyo, Tokyo Metropolis, Japan. The islands are all active volcanoes lying ato ...

in the Ogasawara Group to the southwest of

Japan Japan is an island country in East Asia. Located in the Pacific Ocean off the northeast coast of the Asia, Asian mainland, it is bordered on the west by the Sea of Japan and extends from the Sea of Okhotsk in the north to the East China Sea ...

and doesn't seem to range far from this area.

Population

The species population size has not been estimated but is assessed to be decreasing.

Diet and Habitat

Not much is known about this species and more research is required to obtain an understanding of its ecology. Based on the ecology of closely related species, ''P. bannermani'' is thought likely to feed on

fish A fish (: fish or fishes) is an aquatic animal, aquatic, Anamniotes, anamniotic, gill-bearing vertebrate animal with swimming fish fin, fins and craniate, a hard skull, but lacking limb (anatomy), limbs with digit (anatomy), digits. Fish can ...

squid A squid (: squid) is a mollusc with an elongated soft body, large eyes, eight cephalopod limb, arms, and two tentacles in the orders Myopsida, Oegopsida, and Bathyteuthida (though many other molluscs within the broader Neocoleoidea are also ...

and

cephalopods A cephalopod is any member of the molluscan Taxonomic rank, class Cephalopoda (Greek language, Greek plural , ; "head-feet") such as a squid, octopus, cuttlefish, or nautilus. These exclusively marine animals are characterized by bilateral symm ...

, by surface-seizing, underwater pursuit, including diving and plunging, and pattering (del Hoyo et al. 1992, Brooke 2004). It is likely to nest in rock crevices or burrows and form colonies (del Hoyo et al. 1992).

References

{{Taxonbar, from=Q3410603 Bannerman's shearwater Birds of Japan Bannerman's shearwater