![](https://media.audubon.org/web_horned-guan_dsc4544ab-audubon.jpg?width=233&height=200&auto=webp&quality=10&fit=crop&disable=upscale&enable=upscale&blur=100)
Lucky Birder Captures Only Known Photos of Horned Guans Mating in the Wild
December 30, 2016 —
The amateur photographer was on his first trip to Chiapas' Sierra Madre earlier this year when he documented the endangered birds' behavior.