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Common birds declining worldwide

... in number in the last four decades. Northern Bobwhite Colinus virginianus fell most dramatically, by 82%. In Latin America, the Yellow ...

Story - Henk Tennekes - 31/10/2011 - 13:27 - 1 commentaire - 0 fichier attaché

Top 20 Common US Birds in Decline

... mainly eating insects and seeds. 16 Northern Bobwhite Colinus virginianus: -67.6%; 2003 population estimate: 9,200,000 North American ...

Story - Henk Tennekes - 27/10/2011 - 09:47 - 1 commentaire - 2 fichiers attachés