Scientific Name: Hydrobates monorhis
Malay Name: Lelayang-Laut Kelam Asia
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.
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 migrant
Conservation Status: Near Threatened (BirdLife International 2018)
Location: Straits of Singapore.
- Pelagic Bird Trip at the Singapore Strait – 20 September 2020 (Trip Reports)
- Pelagic Bird Survey at the Singapore Strait – 5 May 2018 (Trip Reports)
- Pelagic Bird Survey at the Singapore Strait – 15 October 2016 (Trip Reports)
Migrant bar chart (see more bar charts):
Swinhoe's Storm Petrel Hydrobates monorhis Estimated average number of individuals by week based on eBird data, Jul 2013 to Jun 2023
BirdLife International. (2018). Hydrobates monorhis. The IUCN Red List of Threatened Species 2018. https://dx.doi.org/10.2305/IUCN.UK.2018-2.RLTS.T22698520A132651372.en. Accessed on 1 January 2023
Jeyarajasingam, A., & Pearson, A. (2012). A Field Guide to the Birds of Peninsular Malaysia and Singapore. Oxford University Press.
Robson, C. (2014). Field guide to the birds of South-East Asia (Second Edition). Bloomsbury Publishing, London.
Bird Society of Singapore. (n.d.). Swinhoe's Storm Petrel. Retrieved on November 26, 2023 from https://singaporebirds.com/species/swinhoes-storm-petrel.