Leaf-eating bird

Grajal, A., Strahl, S. D., Parra, R., Dominquez, M. G., and Neher, A. (1989). Eoregut fermentation in the hoatzin, a neotropical leaf-eating bird. Science 245,1236-1238. 

The hoatzin (Opisthocomus hoazin) is a leaf-eating bird whose strong odor earned it the name chancho (pig). This slow-moving bird, often in fairly open trees, appears very vulnerable to predation. Does the odor or the taste of its flesh deter predators, as H. B. Cott showed for many species of birds in a series of papers from the 1940s to the 1960s ... 

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