Range map of  Stygian Owl (Asio stygius)
Adapted from : Stygian Owl. Marîa del Coro Arizmendi, Claudia I. Rodríguez-Flores, Carlos A. Soberanes-González, and Thomas S. Schulenberg, Birds of the World. The Cornell Lab of Ornithology, https://birdsoftheworld.org
Cephas