https://www.animaldiversity.org/accounts/Urocyon_cinereoargenteus/classification/
Urocyon cinereoargenteus (gray fox) | CLASSIFICATION | Animal Diversity Web
https://www.scielo.org.mx/scielo.php?script=sci_abstract&pid=S2007-33642014000100019&lng=en&nrm=iso&tlng=en
Gray fox (Urocyon cinereoargenteus) diet and their contribution to seed dispersal on the coast of...
https://www.scielo.org.mx/scielo.php?script=sci_abstract&pid=S2007-33642018000100053&lng=en&nrm=iso&tlng=en
Ecological niche and occupation by gray fox (Urocyon cinereoargenteus) at Las Barajitas Canyon,...