Appearance:

Small, compact and energetic crow with black upperparts, dark grey underparts and short bill. Most visible plumage character is the pale grey hind neck contrasting with the dark face. Eye white in adults. Often recognized from its compact body and upright posture and gait alone. Flight quick and light.

Sound:

Most typical call a very short, cheerful and resonant "kyak". Timbre may vary by mood. Other sounds include subdued song with a large variety of sounds, and a grating alarm call "krrrrrrr".

Contact 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

Appearance:

Unmistakable in summer with almost all black plumage. White oval wing-patches in all plumages. Only auk with white wing-panels. Bill quite slender and pointed, body and wings rounded. Winter plumage blotched in grey and white, with dark wings (with white coverts). Typically scans for food by frequently dipping forehead in the water.

Sound:

Call surprisingly high pitched. Quite pure, drawn out, plaintive whistling notes in same pitch range as Hazel Grouse.

Contact 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

Sounds:Recorded by David Farrow. http://www.xeno-canto.org .CC license