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Birds aren't all singing the same song. They have dialects, too

source https://www.cnn.com/2020/06/13/asia/bird-dialects-song-intl-hnk/index.html

Birds aren't all singing the same song. They have dialects, too

Birds aren't all singing the same song. They have dialects, too

Reviewed by Nasu on 6:33 PM Rating: 5