How much bird is there, anyway?
10,000 Birds
JULY 21, 2011
Accessed July 12, 2011 at [link] a. Sources Laden, Greg. Where the abyss touches the sky: A Booby and Noddy ecosystem. Birdingblogs.com Leigh, Egbert Giles. Tropical Forest Ecology: a view from Barro Colorado Island. Oxford University Press. Myers, P., Espinosa, C. Hammond, and T. The Animal Diversity Web (online).
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