Pomarine Jaeger

Scientific Name: Stercorarius pomarinus
Malay Name: Camar-Lanun Ekor Sudu
Chinese Name: 中贼鸥
Alternative Name(s): Pomarine Skua

Range:
Breeds in the Arctic region and winters south in the temperate and tropical oceans.

Taxonomy:
Monotypic.

Size: 47-61.5 cm

Identification:
The biggest of the three jaegers. Has distinct twisted central tail feathers in the adult breeding plumage. In all plumages, the white feather bases to the primaries and primary coverts gives a "double flash" impression.

Similar looking species: Parasitic Jaeger, Long-tailed Jaeger

Habitat: Open seas.

Behaviour/Ecology: A pelagic species often observed engaging in kleptoparasitism, a behaviour where they snatch food from other less aggressive pelagic birds such as terns.

Local Status: Rare migrant

Conservation Status: Least Concern (BirdLife International 2018)

Location: Singapore Straits.

Photos:

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

References:
BirdLife International. (2018). Stercorarius pomarinus. The IUCN Red List of Threatened Species 2018. Downloaded on 2 September 2021
Robson, C. (2008). A Field Guide to the Birds of South-East Asia. New Holland Publishers.
Eaton, J. A., van Balen, S., Brickle, N. W., & Rheindt, F. E. (2021). Birds of the Indonesian Archipelago: Greater Sundas and Wallacea (Second Edition). Lynx Edicions, Barcelona.