Long-tailed Jaeger

Scientific Name: Stercorarius longicaudus
Malay Name: Camar-Lanun Ekor Panjang
Chinese Name: 长尾贼鸥
Alternative Name(s): Long-tailed Skua

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

Taxonomy:
Polytypic. Subspecies are: longicaudus, pallescens.

Size: 47-67.5 cm

Identification:
Non-breeding adult resembles Pomarine and Parasitic Jaeger but is more slender looking and has no whitish flash on primaries especially the underwing. Breeding adult can be separated from the other two Jaeger species by its long pointed central tail-feathers, mostly whitish underparts with no breast-band, greyish belly and vent, two-tone upperwing where the coverts are paler than the secondaries and uniform all dark underwing.

Similar looking species: Pomarine Jaeger, Parasitic Jaeger

Habitat: Open seas

Behaviour/Ecology:

Local Status: Rare migrant

Conservation Status: Least Concern (BirdLife International 2018)

Location: Straits of Singapore.

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 longicaudus. 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.