Josabad Alonso-Castro, Angel (2014). "Use of medicinal fauna in Mexican traditional medicine". Journal of Ethnopharmacology. 152 (1): 53–70. doi:10.1016/j.jep.2014.01.005. PMID24440438.
hbw.com
Holt, D.W.; Berkley, R.; Deppe, C.; Enríquez Rocha, P.; Petersen, J.L.; Rangel Salazar, J.L.; Segars, K.P.; Wood, K.L.; Marks, J.S. (2019). "Fulvous Owl (Strix fulvescens)". In del Hoyo, J.; Elliott, A.; Sargatal, J.; Christie, D.A.; de Juana, E. (eds.). Handbook of the Birds of the World Alive. Barcelona, Spain: Lynx Edicions. Retrieved 8 January 2019.
Josabad Alonso-Castro, Angel (2014). "Use of medicinal fauna in Mexican traditional medicine". Journal of Ethnopharmacology. 152 (1): 53–70. doi:10.1016/j.jep.2014.01.005. PMID24440438.