Stercorarius sp., 1760

Bishop, K. David, 2023, The avifauna of Biak Island, Papua, Indonesia with comments on status, conservation, natural history and taxonomy, Bulletin of the British Ornithologists’ Club 143 (1), pp. 3-62 : 36

[JAEGER Stercorarius sp. ]

Status Vagrant. Three species of Stercorarius spp. have been recorded in New Guinea waters but only Pomarine Jaeger S. pomarinus is considered a ‘common’ migrant in northern New Guinea (Beehler & Pratt 2016) . Two unidentified jaegers were seen between Biak and Yapen on 18 December 1962 and one between Biak, Supiori and Numfor on 29 March 1963, both immatures ( King 1979).