Species:

Red-breasted Merganser (Mergus serrator)

Black-throated Loon (Gavia arctica)

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Length (cm):
52-58
58-73
Wingspan (cm):
70-86
110-130
Weight (gram):
900-1350
1316-3400
Size group:
Crow-size
Bigger than a crow
Main Texts:
Appearance:

Noticeably smaller and more slender than Goosander. Bill much thinner, especially at base. Both sexes with more shaggy crest than Goosander. Male: dark head, white collar. Only sawbill with (medium) dark chest. Female differs from Goosander by smooth transition from brown head to grey lower neck, and less contrasting white throat patch. Striking white wing-bars with crossing black stripe visible in flight.

Sound:

Female call a harsh "karr karr". Male display sound a three-syllabic, fast, "chi-ka-wee" slightly resembling Goldeneye.

Female:

Error loading Flash for sound!
See sound file


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:JanetandPhil, Licence,Link,

CC-photo:JanetandPhil, Licence,Link,

Sounds:Recorded by Jelmer Poelstra,http://www.xeno-canto.org ,CC license

Appearance:

Summer: Black throat framed in fine white stripes at the sides, and a chequered black back. Winter: More contrast between dark and white parts than in Red-Throated Diver. Marked transition between dark neck and white front, and the dark grey crown extends below the eye. In all plumages: Heavier neck and bill than Red-Throated, and bill usually held straight. Visibly protruding chest when swimming. Head shape sometimes squarish. Usually shows big white flank patch.

Sound:

Song: a strong, very resonant, full bodied, low whistling with most syllables rising in pitch: "co clooo-eee, co clooo-eee, co clooo-eee". Also a short grunting "karr".

Song:

Error loading Flash for sound!
See sound file


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

Similar species (image):
Similar species (sound):
Silhouette Group:
Duck-like
Silhouette
Loons/grebes
Silhouette
Several different images of the species
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Several different sounds of the species
Error loading Flash for sound!
See sound file