Singschwäne broods at seas and swamps in the Tundrengebieten and the Taiga as well as at estuaries and the seas of the Siberian steppes. In Iceland, they live in also mountain lakes. its spread-area stretches from Iceland over North-Scandinavia as far as to North-Russia and Siberia (Tschuktschen-Halbinsel, Kamtschatka and Sachalin). The most northern brood-occurrences go in East-Siberia until 70° more northern breadths, that the south on the other hand as far as to the Kaspischen sea and to the North-Mongolia.
Traveling-trains In the late-night-autumn, Singschwäne move in to the British islands, to Denmark's north and Baltic Sea*-coasts as well as to the black and Kaspischen sea and at China's coasts and Ostsibiriens southwards. After the train, Singschwäne come the Meeresküsten mainly. In Central Europe, these beautiful swans appear on the draft at the coasts of north and Baltic sea regularly; small groups also spend the winter irregularly on big seas.
Be In contrast to the hump-swan, Singschwäne are quite reputation-joyful. its reputations are diverse, at the most characteristically however is the "trombone-similar", easily "nasal" voice-contact-reputations, that especially often give away Singschwäne also in the flight. The rare trumpeter-swan (Cygnus buccinator) of the inner-seas of the northwest-like North America is classified as subtype of the Singschwans by some Systematikern. its reputations are more deeply; also, the rub-good extension of the windpipe is much bigger than with the Singschwan (trained not at all with the hump-swan) into the breastbone-comb in.
Shape Trumpeter-swans become somewhat bigger (until 1,6 m of total-length) than Singschwäne; it distinguishes from those for her fully black beak.
It is the upright attitude of the neck (not S-förmig like with the hump-swan), the absence of a beak-hump and another Drohhaltung (with far opened wings) for both swans together opposite enemies as with the hump-swan. Singschwäne distinguish beak (with black top and black crusts) yellow and the more high-legged, faster walk moreover through its shining for itself from it. Also, the wings don't generate any particular flight-sound like with the hump-swan.
The plumage of the adult Singschwäne is pure-knows, the youth-dress also dun, even if little more brightly than with young hump-swans one. Singschwäne become approximately equally long like those (approximately 1,5 m), remains somewhat easier with 7-12,5 kg of weight, however. The wing-length amounts to 57-66 cm.
Brood In its reproductive-biology, Singschwäne don't differ decisively from the hump-swan. they begin with the brood in the age of 4-6 years and probably also live together in duration-marriage. The nest consists white eggs (11,3 x 7,4 cm) sallow of 4-7 and becomes erbrütet only from the female for 31 (35 - 42) days; the male bird keeps watch meanwhile. The Dunenjungen become at country gehudert and not, as with the hump-swan, in the back-plumage strolls carried. Both alto-birds lead its boys together until these become airworthy after approximately 8 weeks. The family hikes into the winter-quarters together.
Nutrition Singschwäne dig bigger holes, in order to reach roots, only the above ground plant-parts with the food-search with its beak during hump-swans from time to time tears off.
Endangering Intensive protection-regulations could still protect bejagten trumpeter-swan it shortly strongly from the extinction so that the continuance recovered something for itself today and the big birds probably are protected before the extermination in some preserves. In contrast to the in many places exposed and neglected, half-tame hump-swans, Singschwäne and its North American relatives live shyly and withdrawn.
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