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The whooper swan (/ˈhuːpə(ɹ) swɒn/ "hooper swan"; Cygnus cygnus), also known as the common swan, is a large northern hemisphere swan. It is the Eurasian counterpart of the North American trumpeter swan , and the type species for the genus Cygnus .
Whooper swan: Cygnus cygnus: Anatidae: 8,200 metres (27,000 feet) This height was attained by a flock of whooper swans flying over Northern Ireland, and recorded by radar. [2] [5] Alpine chough: Pyrrhocorax graculus: Corvidae: 8,000 metres (26,500 feet) This height was recorded on Mount Everest. [5] Bearded vulture: Gypaetus barbatus: Accipitridae
Migrating trumpeter swans are the largest waterfowl. The largest of the accipitrine hawks is the Eurasian goshawk (Accipiter gentilis) of temperate Eurasia. They range in size variably, but on average measure 53–64 cm (21–25 in) in length, have a wingspan of 103–117 cm (3.38–3.84 ft) and weigh 0.63–1.4 kg (1.4–3.1 lb). [56]
The family Corvidae includes crows, ravens, jays, choughs, magpies, treepies, nutcrackers, and ground jays. Corvids are above average in size among the Passeriformes, and some of the larger species show high levels of intelligence. Canada jay, Perisoreus canadensis; Pinyon jay, Gymnorhinus cyanocephalus; Steller's jay, Cyanocitta stelleri
Size of this preview: 800 × 600 pixels. Other resolutions: 320 × 240 pixels | 640 × 480 pixels ... English: Whooper Swans Cygnus cygnus, Swallow Pond ...
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Many parrots are vividly colored, and some are multi-colored. In size they range from 8 cm (3.1 in) to 1 m (3.3 ft) in length. Most of the more than 150 species in this family are found in the New World. Monk parakeet, Myiopsitta monachus (I) LC; Carolina parakeet, Conuropsis carolinensis (E) EX
The average egg size (for the mute swan) is 113 × 74 mm (4 + 1 ⁄ 2 x 3 in), weighing 340 g (12 oz), in a clutch size of 4 to 7, and an incubation period of 34–45 days. [27] Swans are highly protective of their nests.