Bulwer’s Petrel

Scientific Name: Bulweria bulwerii
Malay Name: Merpati-Laut Ekor Panjang
Chinese Name: 褐燕鹱

Range:
Breeds on small islands in the northern Atlantic and northern Pacific Oceans. The Pacific population disperses southwards outside the breeding season, reaching the tropical waters of Indian Ocean and adjacent seas.

Taxonomy:
Monotypic

Size: 26-27cm

Identification: Resembles Swinhoe’s Storm-Petrel but larger, with longer wings and distinctive long, graduated tail. Can be distinguished from similar looking Short-tailed Shearwater from its smaller size and the pale diagonal band across its upperwing-coverts.

Similar looking species: Swinhoe’s Storm-PetrelShort-tailed Shearwater

Habitat: Open seas

Behaviour/Ecology: Flight buoyant and usually close to the water surface.

Local Status: Rare passage migrant

Conservation Status: Least Concern (IUCN 3.1)

Location: Three confirmed sightings of a single bird along the Straits of Singapore on 12 Nov 2016, 29 Apr and 6 May 2017.

Photos:

External Links:
Conservation Status: IUCN Red List Page
Photos: Oriental Bird Images
Sound Recordings: xeno-canto Link

Reference:
Craig Robson (2011) A Field Guide to the Birds of South-East Asia
Allen Jeyarajasingam & Alan Pearson (2012) A Field Guide to the Birds of Peninsular Malaysia and Singapore