Recordings Reveal Baby Humpback Whales 'Whisper' To Their Mothers
Scientists recently tracked eight baby whales using special sound and movement recorders. The sounds the babies made turned out to be far different from the eerie songs of adult male humpbacks.
Đọc thêm tại NPR
at April 26, 2017 at 03:38PM
Health & Science
Thứ Tư, 26 tháng 4, 2017
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