Species:

Great Bustard (Otis tarda)

Great Crested Grebe (Podiceps cristatus)

Change species:
Main Images:
Length (cm):
75-105
46-51
Wingspan (cm):
190-260
85-90
Weight (gram):
3800-8500
568-813
Size group:
Bigger than a crow
Crow-size
Main Texts:
Appearance:

Heaviest bird in area. Stocky with well developed chest. Male 50% larger than female. Mostly unmistakable, and differs from all other bustards in area in all plumages by pale, grey head (yellowish grey in female), clearly paler than the rufous upperparts and lower neck. Male with thick neck, rufous chest and long moustache feathers. Female with more slender neck and duller colours. In flight the big white wing-patch is conspicuous. Base of hand pale with smooth transition to dark tips. Secondaries black. When displaying the male raises wings and body feathers to a "foam-bath" posture with head held low, like a white ball of feathers. Flight heavy but majestic. Shy and alert bird.

Sound:

Mostly silent, especially away from breeding ground. Display call a short deep, hollow thud "omp", using resonating gular pouch. Most heard is a nasal grunt used in various types of excitement. Sometimes given in a flatulent series.

Excitement call:

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:cruzperezmanuel, Licence,Link.

CC-photo:Viskens Michel, Licence,Link.

CC-photo:Paul Dirksen, Licence,Link.

CC-photo:Sergey Yeliseev, Licence,Link.

CC-photo:Cora de Groot en Ruud Versijde, Licence,Link.

Appearance:

Unmistakable in summer plumage with black crest, and black and chestnut tippets. Paler coloured (pinkish) bill than other grebes (also in winter). Gives a slender and more elegant impression. Swims with body low and a stretched slender neck, or with head rested on back. Winter; very pale. Pale, pinkish bill. White area above lores. Front of neck white. Shows white lesser- and median coverts in flight together with white wing-bar.

Sound:

Laughing sequences with nasal grunts, a rolling nasal "treaa" and bill-clattering.

Display:

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

Sounds:Recorded by Hannu Jännes,http://www.xeno-canto.org ,CC license

Similar species (sound):
Silhouette Group:
Heron-like
Silhouette
Loons/grebes
Silhouette
Several different images of the species
ImageImageImageImageImageImageImageImage
ImageImageImageImageImageImageImageImage
Several different sounds of the species