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Depictions of swans (genus Cygnus) in art. The swans' closest relatives include the geese and ducks . Swans are grouped with the closely related geese in the subfamily Anserinae where they form the tribe Cygnini .
The swans' closest relatives include the geese and ducks. Swans are grouped with the closely related geese in the subfamily Anserinae where they form the tribe Cygnini. There are six living and many extinct species of swan; in addition, there is a species known as the coscoroba swan which is no longer considered one of the true swans.
The swan was "cemented in the imagination as a creature of romance for a whole generation of impressionable working class suburban kids". The anthropomorphic projection may not have been entirely random; [2] swans are believed to take a mate for life, and the graceful white birds might symbolize monogamous felicity. [2]
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.
Their feathers are excellent at shedding water due to special oils. Many of the ducks display sexual dimorphism, with the males being more brightly coloured than the females (although the situation is reversed in species such as the paradise shelduck). The swans, geese, and whistling-ducks lack sexually dimorphic plumage.
Swans' nests are on the ground near water and about a metre (3') across. Unlike many other ducks and geese, the male helps with the nest construction, and will also take turns incubating the eggs. [26] Alongside the whistling ducks, swans are the only anatids that will do this.
The Anatinae are a subfamily of the family Anatidae (swans, geese and ducks). Its surviving members are the dabbling ducks, which feed mainly at the surface rather than by diving. The other members of the Anatinae are the extinct moa-nalo, a young but highly apomorphic lineage derived from the dabbling ducks.
The Anserinae are a subfamily in the waterfowl family Anatidae.It includes the swans and the true geese.Under alternative systematical concepts (see e.g., Terres & NAS, 1991), it is split into two subfamilies, the Anserinae contain the geese and the ducks, while the Cygninae contain the swans.