1. Smooth-billed Anis Crotophaga ani, Itatiaia National Park, Rio de Janeiro, Brazil, September 14, 2003.  Note the high, arched culmen and the relatively smooth upper mandible.

2. Smooth-billed Ani C. ani, Itatiaia National Park, Rio de Janeiro, Brazil, September 14, 2003.  One of the same individuals as above.  For comparison, photos of a Groove-billed Ani C. sulcirostris can be found here.

© Stephen J. Davies

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