THE MOST UNIQUE SWAN SPECIES IN THE WORLD
Keywords:
Cygnus, “Coscoroba swan” (Coscoroba coscoroba), Black swan (Cygnus atratus), Trumpeter swan (Cygnus buccinator), Mute swan (Cygnus columbianus), Rare swan species, Rare swans, Biological characteristics of swans, Swan migration, Ecosystem and swans, Mute swan (Cygnus melanocoryphus).Abstract
Swans (Cygnus), swans are large birds of the goose family. Their
neck is equal to the length of the body. Their feathers are often white. There are 3
species in Uzbekistan. Mute swans are distinguished from other species by a black
crest on their beak. Their body length is 180 cm, their weight is 13 kg. They nest in
areas from Western Europe to the Pacific Ocean. Whooper swans have a body length
of up to 160 cm, their weight is up to 12 kg. They are distributed in areas from the
Atlantic Ocean to the Pacific Ocean. Lesser swans have a body length of up to 120
cm, their weight is up to 7 kg; they live mainly in the tundra; they nest in reed beds
on the shores of freshwater lakes, sometimes in the sea. The female of Lesser swans
lays 5-12 eggs and incubates for 35-40 days. Swans swim and fly very well; feeds
on plants, small aquatic animals.
