Literature Cited - Maya Project Description and Results, Basic Biology of Poorly-known Tropical Forest Birds of Prey

Thorstrom, R. 2000. The food habits of sympatric forest-falcons during the breeding season in northeastern Guatemala. Journal of Raptor Research 34:196-202.

Thorstrom, R., J. D. Ramos, and C. M. Morales. 2000. Breeding biology of Barred Forest-Falcons (Micrastur ruficollis) in northeastern Guatemala. Auk 117:781-786.

Whitacre, D. F., J. A. Madrid M., H. D. Madrid M., R. Cruz E., C. J. Flatten, and S. Funes A. unpublished. "Ornate Hawk-Eagle (Spizaetus ornatus). chapter in book, "Raptors of the Maya Forest".