Valencia-Herverth R, Valencia-Herverth J, Mendoza Quijano F. Corvus imparatus, primer registro para Hidalgo, México. Huitzil [Internet]. 2009 Jan. 1 [cited 2026 Sep. 24];10(1):15-8. Available from: http://www.mexorn.org/index.php/huitzil/article/view/82