Appearance:

Unmistakable. Dark green (appears black at a distance) above and white below. Wings also dark above and white below, with diagnostic rounded and broad tips. Squarish head profile with striking crest. Winter and juvenile plumage with scaled back, and less contrasting breast band.

Sound:

Quite vocal, especially in flight at breeding ground. Territorial call: Dry, introductory phrases followed by drawn-out mewing sounds; "wyrrr-peeeoo-weeep". Alarm call "pee-wit".

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

Appearance:

Diagnostic flight profile with rectangular, uniformly broad and deeply fingered wings. Long neck and short, wedge-shaped tail. Bill very heavy and tarsus unfeathered. Adults with pale, yellowish head and white tail. Juveniles uniformly brown with dark tail. Females bigger than males. Flight pattern: Long sequences of shallow wing-beats, and only limited glides (as opposed to Golden Eagle).

Sound:

A sharp high-pitched clear "klyytt klyytt klyytt klyytt" is often heard. Uttered with some variation in pitch and timbre. Sometimes more raucous and not so high pitched.

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 Martin Miethke,http://www.xeno-canto.org ,CC license