Long-tailed Jaeger (Stercorarius longicaudus)
Common Gull (Larus canus)
Breeding plumaged adults with streamers unmistakable (streamers comprising two thirds of total tail length). Adult plumage shows less variation than in other skuas. No hint of breast band, and transition between pale belly and darker vent very diffuse. No white patches at base of primaries of underwing in adults. Juveniles easily confused with juvenile Arctic Skua, but are more slender. Wings narrower and primaries and tail longer. Juvenile Arctic Skua shows white patches at base of primaries on both sides of wings, juvenile Long-tailed only on underwing, and on first few primaries of upper. Barred rump and tail coverts in juveniles. Flight elegant and buoyant.
Sound:Calls sharp and less full-bodied than Arctic Skua, and not so mewing. Short, double-accented "kew-wev" or short "kerk" in agitation. Also a long drawn-out "keeeeaah", resembling both Arctic Skua and Common Gull.
Alarm/flight call:
Distribution:
Wikipedia: map (se also Xeno-canto below)
Ecology:Birdlife ecology
Links:
Observation.org Latest observations
Image search Flickr NB! May give other species
CCSounds:Recorded by Andrew Spencer,http://www.xeno-canto.org ,CC license
Differs from Herring Gull in smaller size, lighter bill and light flight. Head profile rounded, and the small bill lacks the red spot of the larger gulls. Told apart from Kittwake by greenish legs and large white spot on wing tips. Juveniles quite similar to young Ring-billed Gulls, but latter have paler grey back, heavier, pinkish bill with dark tip, pale mid-wing panel and less contrasting terminal band of tail.
Sound:Various mewing sounds. Similar in form to Herring Gull, but much higher pitched.
Call:
Distribution:
Wikipedia: map (se also Xeno-canto below)
Ecology:Birdlife ecology
Links:
Observation.org Latest observations
Image search Flickr NB! May give other species
CC