Swinhoe’s Storm Petrel

Scientific Name: Oceanodroma monorhis
Malay Name: Lelayang-Laut Kelam Kecil
Chinese Name: 黑叉尾海燕

Range:
Breeds on the offshore islands of temperate Northeast Pacific from eastern China to Korea and Japan, passaging through the South China Sea to the Indian Ocean to winter.

Taxonomy:
Monotypic

Size: 20 cm

Identification: Small size, forked tail and overall sooty brown plumage with contrasting paler diagonal bar across upperwing-coverts.

Habitat: Open seas.

Behaviour/Ecology: Usually observed in small groups during migration, flying and gliding just above the water surface.

Local Status: Common passage migrant

Conservation Status: Near Threatened (IUCN 3.1)

Location: Straits of Singapore.

Photos:

External Links:
Conservation Status: IUCN Red List Page (BirdLife: Hydrobates monorhis)
Photos: Oriental Bird Images
Sound Recordings: xeno-canto Link
Wikipedia Entry: Wikipedia 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