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Licking Clay: the Macaws of Tambopata, Peru

10,000 Birds

UNLESS that is you get yourself down to the internationally-renowned Tambopata Research Centre in southern Peru where literally hundreds of macaws (and other parrots) congregate around a 50 meter high clay bank. The clay consumed at the colpa contains chemicals that bind with these ingested alkaloids thus neutralizing their toxicity.

Peru 255
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A Question of Migration

10,000 Birds

Way back when I started what turned out to be my thesis research (on humans), it became important for me to learn about bird migration. I was involved in the study of human movement and navigation on land, and there was a lot of research coming out about bird navigation. 2 PIERSMA, T., PÉREZ-TRIS, J., MOURITSEN, H., Bird Migration.

Research 196