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Top 20 Common US Birds in Decline

... food items during the summer. 2 Henslow's Sparrow Ammodramus henslowii: -96.4%; 2003 population estimate: 79,000. These birds ... catch insects in flight. 13 Baird's Sparrow Ammodramus bairdii: -73.2%; 2003 population estimate: 1,200,000. They forage on the ...

Story - Henk Tennekes - 27/10/2011 - 09:47 - 0 comments - 2 attachments