Data show that since 1970, the U.S. and Canada have lost nearly 3 billion birds, a massive reduction in abundance involving hundreds of species, from backyard songbirds to long-distance migrants.
This content is restricted to subscribers of OutdoorNews.com. If you are already an OutdoorNews.com subscriber, you can log in here. If you are not and would like to read this and all the other great content OutdoorNews.com has to offer, click here.


