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Swans are birds of the genus Cygnus within the family Anatidae. [4] . 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. Sometimes, they are considered a …

The mute swan (Cygnus olor) is a species of swan and a member of the waterfowl family Anatidae. It is native to much of Eurasia, and (as a rare winter visitor) the far north of Africa.

2025年3月21日 · 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 outstretched. They migrate in diagonal formation or V-formation at great heights, and no other waterfowl moves as fast on the water or in the air.

The young, called cygnets, emerge short-necked and thickly downed; though capable of running and swimming a few hours after hatching, they are carefully tended for several months; in some species they may ride about on their mother’s back. Immature birds wear mottled gray or brown plumage for two…

2023年7月13日 · There are six to seven species of swan in the genus Cygnus – which likely evolved in Europe or western Eurasia during the Miocene, spreading all over the Northern Hemisphere until the Pliocene. The Coscoroba Swan – from South America – is no longer considered a true swan. It is believed to be closely related to geese and shelducks.

Whooper swans (Cygnus cygnus) have an ex­ten­sive ge­o­graphic range and can be found within the bo­real zone in Eura­sia and many nearby is­lands. Bo­real con­di­tions often in­clude cold win­ters, short sum­mers, and dra­matic sea­sonal tem­per­a­ture vari­a­tions.

2022年4月11日 · Baby swans, or cygnets, hatch covered in a thick down. They're able to run and swim after just hours, but their parents remain very protective over them in the early months of their life. Baby swans are typically dusky grey all over with a soft, fluffy coat and grey-black bill. They have small black feet.

The chicks (cygnets) are covered in grey down and are able to swim and feed themselves as soon as they hatch. Breeding season: February to May in the north; June to September in the south. Clutch size: Up to 10

2023年11月25日 · A cygnet is a young swan under one year old. Cygnets are covered in gray feathers that eventually change to white as they mature. Common cygnet species include mute, trumpeter, whooper, and black swans. Cygnets stay close to their parents for nearly a year after hatching until they can live independently.