Ramphastos brevis - Choco Toucan

No Author Listed. 1945. Auk: 62(1): 152-169.
Recent Literature

Leck, C. F. 1979. Auk: 96(2): 343-352.
Avian Extinctions in an Isolated Tropical Wet-Forest Preserve, Ecuador

Remsen, J. V., Jr., M. A. Hyde and A. Chapman. 1993. Condor: 95(1): 178-192.
The Diets of Neotropical Trogons, Motmots, Barbets and Toucans