Adapted from Jim Conrad's online book A Birding Trip through Mexico, This excerpt from "Sierra Mazateca" in northern Oaxaca state
WHITE-CROWNED PARROTS

White-crowned Parrots

At dusk I steal into an abandoned coffee plantation, with security very much on my mind. I am intensely focused on watching for someone following me, on not being seen, of choosing a random spot and camouflaging the tent as best I can. As darkness falls I hear parrots in the "mother tree" above me and stick my head from the tent's door. Two White-crowned Parrots are fighting, one dangling from a Peperomia-covered limb by a single toe while the other attaches itself by the beak to its adversary's wing, and what they're saying is clearly parrot-cussing...