Old Bone Links Lost American Parrot to Ancient Indigenous Bird Trade, Jackson School of Geosciences

Researchers Discover an Ancient Parrot Bone in Mexico, Indicating

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Caribbean Parrots Found To Be Relicts of Millennial-Scale

Africa Geographic

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Lost Birds' memorial comes to campus - Stanford Report

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The Project Gutenberg eBook of Among Cannibals, by Carl Lumholtz

Ancient Americans Bred Symbolically Important Scarlet Macaws