Band-rumped Storm-Petrel
From WikiBird
Contents |
Size
Length: 19-21cm (7.5-8.3in), Wingspan: 43-46cm (17-18.1in)
Field Marks
Large-sized storm-petrel with dark bill with tube on top. Mainly black with an extensive white rump. Narrow, rectangular, white rump patch. Slightly forked tail. Sexes similar.
Similar species
Most likely to be confused with other storm petrels. Larger than Wilson's with less extensive white on rump and undertail coverts. Dark feet do not extend beyond tail. Very similar to Leach's but rump patch not divided (difficult to see in field) and flight more direct with shallower wingbeats and shearwater- like glides. It is similar to Leach's Storm-petrel, with its forked tail, long wings, and flight behaviour, but Leach's has a more forked tail and differently shaped white rump.
Sounds
Feeding & Behavior
Shallow wingbeats and glides like a shearwater
Habitat & Nesting
Nests in colonies close to the sea in rock crevices and lays a single white egg. Strictly nocturnal at the breeding sites to avoid predation by gulls and skuas.
Range
Structly pelagic when not breeding. Breeds on islands in the warmer parts of the Atlantic and Pacific Oceans. These include the Azores and Madeira in the Atlantic, and the Galapagos Islands in the Pacific.
Resources
