Range map of Tamaulipas Pygmy-Owl (Glaucidium sanchezi)
Adapted from : Tamaulipas Pygmy-Owl. Denver W. Holt, Regan Berkley, Caroline Deppe, Paula L. Enríquez, Julie L. Petersen, José Luis Rangel Salazar, Kelley P. Segars, Kristin L. Wood, Chris Sharpe, and Jeffrey S. Marks, Birds of the World. The Cornell Lab of Ornithology, https://birdsoftheworld.org
Cephas