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Woodcut by Robert Elliot Bewick of the swan named in memory of his father by William Yarrell. 1847 edition of Thomas Bewick's A History of British Birds.. C. columbianus is the smallest of the Holarctic swans, at 115–150 cm (45–59 in) in length, 168–211 cm (66–83 in) in wingspan and a weight range of 3.4–9.6 kg (7.5–21.2 lb).
A painting of tundra swans flying over a wetland will grace the 2023-24 Federal Duck Stamp. Artist Joseph Hautman won the contest for the sixth time.
The swans, ducks and geese are medium to large birds that are adapted to an aquatic existence with webbed feet and bills which are flattened to a greater or lesser extent. In many ducks the male is colourful while the female is dull brown. The diet consists of a variety of animals and plants.
A tundra swan flies above other waterfowl and swans Saturday, November 12, 2022 on the Mississippi River between Stoddard, Wis. and Brownsville, Minn.
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
Swans are the largest extant members of the waterfowl family Anatidae and are among the largest flying birds. The largest living species, including the mute swan, trumpeter swan, and whooper swan, can reach a length of over 1.5 m (59 in) and weigh over 15 kg (33 lb).
In comparison, swans that did not signal were only able to create a following 35% of the time. [10] In most cases, the whooper swan in the flock that makes the most movements (head bobs) is also the swan that initiates the flight of the flock – this initiator swan can be either male or female, but is more likely to be a parent than a cygnet. [10]
The trumpeter swan (Cygnus buccinator) is a species of swan found in North America.The heaviest living bird native to North America, it is also the largest extant species of waterfowl, with a wingspan of 185 to 304.8 cm (6 ft 2 in to 10 ft 2 in).