The Seasonal Birds Geumgang Birdwatch Observatory Movement of the Seasonal Birds The Upper Part of the Estuary Bank The Lower Part of the Estuary Bank Eoeun-ri Tidal Flat Paper Corea Woods Yubudo Island Napo Crossfield   [Bewick's swan] Cygnus columbianus jankowskii(ALPHERAKY) Features: Females and males are pure white. Their yellow skin protrude in front of their eyes. the beak is yellow. The color from the end of beak to the space behind nostrils and the lower beak is black. The legs are black. Mode of life: They pass the winter with whooper swans. They are winter season birds. They pass the winter at lakes and marshes, swamps, river, bays, and coast. Mode of life: They pass the winter with whooper swans. They are winter season birds. They pass the winter at lakes and marshes, swamps, river, bays, and coast. Call: They are heard "hoot-hoot-hoot" in the water or on the ground, and they are heard "gwa-an-gwa-an" while flying. Breeding place: They live in the island in river or the shallow river. The nest is made up of straw or moss. It is a volcano-shaped conical nest and 0.7 millimeters tall. 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 around June. The number of eggs of the same litter is 3-5. The color is creamy white. Taste: They have food similar to that of whooper swans Range: They pass the winter in the tundra area of the northern part of Russia, Siberia, Caspian Sea, Korea, and the coast of China.
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