Thứ Bảy, 16 tháng 2, 2019

NPR News: Talkin' Birds: The Great Backyard Bird Count

Talkin' Birds: The Great Backyard Bird Count
For years, the Cornell Lab of Ornithology's Great Backyard Bird Count have provided valuable data for avian research. Ray Brown from the Talkin' Birds podcast talks with Scott Simon about it.

Đọc thêm tại NPR
at February 16, 2019 at 08:15PM
Health & Science

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