Abstract
Reportamos el primer registro del búho cara oscura (Asio stygius) para el estado de Querétaro. El registro corresponde a un individuo que fue herido y decomisado en el municipio de Landa de Matamoros, en el interior de la Reserva de la Biosfera Sierra Gorda. Esta observación refuerza la hipótesis de una distribución extendida de A. stygius a través de la parte septentrional de la Sierra Madre Oriental.
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