Copy Reference The Real Swan Lake - A Bird Sanctuary
Year:1984 Issue:8
Column: Wildlife Protection
Author: WU YUSHENG
Release Date:1984-08-01
Page: 8-11
Full Text:
EVERY spring, in parts of southern Africa and Indian Ocean coastal areas, tens of thousands of swans rise in flocks and head northward on a great migration to summer quarters. Some of them fly over...
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