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For new cat: Category:Natural history of the Americas, replace "Hummingbird" article (by Some collaboration, hopefully) an artcle: along title LINE of: Hummingbirds--the bird of the Americas
I've read that this bird actually had an estimated wingspan in excess of 23 ft. Where do you get the info that it had a 16-17ft wingspan?
Nevermind, I'm thinking of Argentavis Magnificens...