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2019-10-21, 03:58
US and Canada have lost more than 1 in 4 birds in the past 50 years
Data show that since 1970, the US and Canada have lost nearly 3 billion birds, a massive reduction in abundance involving hundreds of species, from beloved backyard songbirds to long-distance migrants.
https://www.sciencedaily.com/releases/20...142331.htm
Data show that since 1970, the US and Canada have lost nearly 3 billion birds, a massive reduction in abundance involving hundreds of species, from beloved backyard songbirds to long-distance migrants.
https://www.sciencedaily.com/releases/20...142331.htm