Waterfowl from the very large (Swans) to small (Chirkov) sizes. Long-neck, short legs with swimming membrane, a relatively short, straight, many species Flattened beak, the edge jaws which usazheny cross horns plates or teeth - are the main external signs guseobraznyh (plastinchatoklyuvyh) birds. Operenie short, dense, with thick down, evenly covering the whole body. Lubrication of a well-developed oil gland prevents the stylus from namokaniya. All plastinchatoklyuvye our fauna swim well, some perfectly nyryayut, helping themselves under water wings. Fly only active flight, steam can not. Flight fast, with frequent strikes wings. Vyvodkovye birds. Jacks on the ground, in hollows (Gogol, smew, mandarinka), among rocks or in burrows (Ogar, peganka). Meal of a plant, such as with geese, nursing herbs, roots, seeds, mixed with many ducks, or mostly animal Such as fish or shellfish from the merganser and C. finmarchicus a gag. Outside the nesting period, many live flocks. Within Russia squad presented only one family: Duck Anatidae (Ivanov, Shtegman, 1978). In addition to the species listed in the list on the territory of Russia are: Canada Goose Branta canadensis L., 1758
Beloschekaya Goose Branta leucopsis Bechstein, 1803
American Goose Branta nigricans Lawrence, 1846
Gus Ross Chen rossii Cassin, 1861
Beloshey Philacte canagica Sewastianov, 1802
Mute swan Cygnus olor Gmelin, 1789
American swan Cygnus columbianus Ord, 1815
Cristate peganka Tadorna cristata Kuroda, 1917
Zelenokryly teal Anas carolinensis Gmelin, 1789
American sviyaz Anas americana Gmelin, 1789
Marble teal Anas angustirostris Menetries, 1832
Mandarinka Aix galericulata L., 1758
American black Aythya americana Eyton, 1838
Beloglazov black Aythya nyroca Guldenstadt, 1770
Black Baer Aythya baeri Radde, 1863
The American Maritime black Aythya affinis Eyton, 1838
Kamenushka Histrionicus histrionicus L., 1758
Icelandic Gogol Bucephala islandica Gmelin, 1789
Small Gogol Bucephala albeola L., 1758
American singa Melanitta americana Swainson, 1832
Pestronosy scoter Melanitta perspicillata L., 1758
Scaly merganser Mergus squamatus Gould, 1864 References. |
