Name:Bulweria bulwerii
Alias:Bulweria bulwerii,Aestrelata bulweri,Bulwer's Petrel
Outline:Waterfowl
Family:
length:26-29CM
Weight:No textual research information is available
Life:No textual research information is available
IUCN:LC
Shearwater (scientific name: Bulweria bulwerii) foreign name Bulwer' s Petrel is a small gull-like seabird with no subspecies.
Most of the birds are resident birds, and a few often wander to the north and south seas during the non-breeding season. Like clusters, often in groups, usually very active, long time flying over the sea, flying with wings bent forward, head slightly down, tail often fan out briefly. Flying more powerfully than petrel, it often flutters down and circles high above. It feeds mainly on various small fish. Make a low "chuff" bark during the breeding season.
The breeding season is from June to August. They breed in herds on deserted coasts and islands in the sea. Nests are built on the ground of distant islands, under rocks, in coastal hanging caves or cracks in rock walls, and in soft mud or sandy soil. Each brood lays 1 egg, oval, white and 40-47 mm x30-33 mm in size, with an average of 43x31 mm.
Listed in the International Union for Conservation of Nature Red List of Threatened Species (IUCN) for 2016 ver 3.1 - Not Threatened (LC).
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