Buntaro Onami
Abstract
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A few Whooper Swans had been occasionally reported to winter, among flocks of ducks, at inland Lake Inawashiro, 514m. from the sea-level, in Fukushima. But the winter, 1959-60, was marked in having been recorded the January maximum of 58 birds. In November, 1960, again 50 birds have already been reported.
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A few Whooper Swans had been occasionally reported to winter, among flocks of ducks, at inland Lake Inawashiro, 514m. from the sea-level, in Fukushima. But the winter, 1959-60, was marked in having been recorded the January maximum of 58 birds. In November, 1960, again 50 birds have already been reported.
Key concepts: Flock, Geography, Fishery, Zoology, Animal science, Ecology, Biology