Swinhoe’s Storm Petrel

Scientific Name: Hydrobates monorhis
Malay Name: Lelayang-Laut Kelam Asia
Chinese Name: 黑叉尾海燕

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.


Size: 20 cm

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 (BirdLife International 2018)

Location: Straits of Singapore.


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

BirdLife International. (2018). Hydrobates monorhis. The IUCN Red List of Threatened Species 2018. Downloaded on 2 September 2021
Jeyarajasingam, A., & Pearson, A. (2012). A Field Guide to the Birds of Peninsular Malaysia and Singapore. Oxford University Press.
Robson, C. (2008). A Field Guide to the Birds of South-East Asia. New Holland Publishers.