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5 giorni fa · List of bird genera concerns the chordata class of aves or birds, characterised by feathers, a beak with no teeth, the laying of hard-shelled eggs, and a high metabolic rate. Restless flycatcher in the downstroke of flapping flight.
21 mag 2024 · Swan, largest waterfowl species of the subfamily Anserinae, family Anatidae (order Anseriformes). Most swans are classified in the genus Cygnus. Swans are gracefully long-necked, heavy-bodied, big-footed birds that glide majestically when swimming and fly with slow wingbeats and with necks.
- The Editors of Encyclopaedia Britannica
26 mag 2024 · Anatidae includes the ducks and most duck-like waterfowl, such as geese and swans. These birds are adapted to an aquatic existence with webbed feet, flattened bills, and feathers that are excellent at shedding water due to an oily coating.
6 giorni fa · List of New Zealand species extinct in the Holocene. Location of the Realm of New Zealand in the South Pacific Ocean and Antarctica. The North Island giant moa ( Dinornis novaezealandiae) is among dozens of bird species that became extinct after the human settlement of New Zealand. This is a list of New Zealand species extinct in the ...
3 giorni fa · Mareca strepera - MHNT. La Knaranaso longas averaĝe ĉ. 50 cm, sed ankaŭ 46–56 cm, kun enverguro de 78–90 cm, [1] iom pli malgranda, svelta ol Platbeka anaso: ili ofte aperas kune. Ĝia frunto altiĝas krute; la flugilspegulo kaj de masklo kaj de femalo estas blanka kun nigra bordo eksteren, sed tio videblas nur dum flugado.
1 giorno fa · noun. swimming birds having heavy short-legged bodies and bills with a horny tip: swans; geese; ducks. synonyms: family Anatidae. see more.
27 mag 2024 · They are in the order Anseriformes and the family Anatidae. Their genus, Cygnus, contains all true swan species. Tundra Swan Size, Appearance, and Behavior. The tundra swan is a rather large bird, although they are not the largest. These swans are larger in size compared to the snow goose, but they are smaller than the more common ...
