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GEUMGANG ECOLOGY TOURIST INFORMATION SYSTEM
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| [Whooper
swan] Cygnus Cygnus (LINNAEUS) |
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- Features: Females and males
are pure white. Their vivid yellow skin protrude in front
of their eyes. The beak is vivid yellow. The color from
the end of the beak to the nostril is black, and the lower
beak is black, too. The legs are black or grayish black.
- Mode of life: They walk about
on the ground and hunt. they go south along the coast including
reservoirs, lakes and marshes, estuaries, and bays and they
pass the winter. They live in the shallow surface of water
and search for food swimming actively here and there. They
bend their neck in a S-shaped way while swimming, but they
put up their neck straightly. They live in the water or
on the ground searching for food day and night. They fly
in a slant line or V-line.
- Call: They have the note
similar to the sound of trumpet, "hot-ho-hot-ho"
or "ho-ho", and they are heard "gwa-an-gwa-an"
or "gwag-go-gwag-go" while they are flying.
- Breeding place: They make
a big volcano-shaped conical nest in about 30 centimeter
deep water which is about 15 meters from lakeside. The nest
is made up of leaves and stems of grass and is hardened
by clay. The upper part is sunken and the place for eggs
is covered with pinfeathers of mother bird's breast or stomach.
- Breeding time: They lay eggs
from late in May till early in June. The number of eggs
of the same litter is 3-7. The color is creamy white. They
weigh 326-348 grams.
- Taste: They have the stems
or roots of freshwater plants and berries, and they also
have not a few insects living in water and small freshwater
animals.
- Range: They can be found
in the taiga in the western part of Siberia, Altai in Russia,
the northern part of Mongolia, the northwestern part of
Manchuria, from Sea of Okhotsk to the lower courses of Amur,
the northern part of Ussuri, and Sakhalin.
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