Appearance:

Pale and dark morphs. Often difficult to distinguish from Arctic Skua. Adults with broad, spoon-shaped streamers. These are moulted twice a year, so adults lacking these are not uncommon. The dark cap reaches around the bill base and down to the chin. Breast band in pale morph is generally broader and more pronounced than in Arctic Skua, but in some males it is lacking altogether. Leaves an overall more robust and powerful impression than Arctic. Wings are broader than the distance from trailing wing-edge to tip of tail (streamers excluded), while the hand seems shorter. The light patches at the base of the primaries are more obvious, and many young birds shows a characteristic double patch, formed by additional white base of greater primary coverts (like Lesser Spotted Eagle). Rump and vent of juveniles usually boldly barred, in contrast to unbarred back and belly (visible even in dark morph). Streamers never pointed (in any plumage). Flight pattern straighter, and more determined than in Arctic Skua.

Sound:

Short "kea" or "ke", and various mewing calls, usually deeper pitched than Arctic Skua. Also a characteristic, laughing and vibrating "kayayayayaya", heard mostly on breeding ground.

Alarm/flight call:

Distribution:

Wikipedia: map (se also Xeno-canto below)

Ecology:

Birdlife ecology

Links:

Observation.org Latest observations

Video IBC

Image search Flickr NB! May give other species

Sound search at Xeno-canto

Featherbase

CC

CC-photo:loarie, Licence,Link.

CC-photo:jerryoldenettel, Licence,Link.

Sounds:CC. http://www.xeno-canto.org .Recorded by Andrew Spencer.

Appearance:

Most likely to be confused with Bar-tailed Godwit, but easily recognized in flight by its contrasting black and white wings and tail. More difficult to identify when not flying. Generally much leggier, more elegant and upright than Bar-tailed, and with straighter bill. Tibia especially long. Summer plumage with barred/spotted belly (never in Bar-tailed), and orange base of bill. Juveniles with scaled back, not arrow-shaped streaking. Adult winter with mainly uniformly grey plumage, and short supercilium not reaching behind the eye.

Sound:

Quite vocal at breeding ground, but mostly silent elsewhere. Varied repertoire of mewing and sharp sounds, some resembling Bar-tailed, some almost lapwing-like. Most characteristic call is the display call; a sharp and mewing, rhythmic "kew-ku-weeewee". Generally the calls are evenly accentuated (as opposed to Bar-tailed).

Display call and contact calls:

Distribution:

Wikipedia: map (se also Xeno-canto below)

Ecology:

Birdlife ecology

Links:

Observation.org Latest observations

Video IBC

Image search Flickr NB! May give other species

Sound search at Xeno-canto

Featherbase

CC

Sounds:Recorded by Patrick Åberg,http://www.xeno-canto.org ,CC license