Grey Foxes

Ar genad Urocyon a zo ur genad e rummatadur ar bronneged, ennañ daou pe dri spesad lern amerikan.

• al louarn gris, (Urocyon cinereoargenteus)
• louarn an inizi, (Urocyon littoralis)
• louarn Kozumel (aet da get marteze)

Renkañ a reer ennañ ur spesad all aet da get : Urocyon progressus.

Daveoù

• Cuarón, Alfredo D.; Martinez-Morales, Miguel Angel; McFadden, Katherine W.; Valenzuela, David; & Gompper, Matthew E. (2004), "The status of dwarf carnivores on Cozumel Island, Mexico". Biodiversity and Conservation 13: 317–331. PDF fulltext
• Gompper, M. E.; Petrites, A. E. & Lyman, R. L. (2006), "Cozumel Island fox (Urocyon sp.) dwarfism and possible divergence history based on subfossil bones", J. Zool. 270(1): 72–77. doi:10.1111/j.1469-7998.2006.00119.x (HTML abstract)
• Prevosti, F.J., & Rincóon, A.D. (2007), "A new fossil canid assemblage from the late Pleistocene of northern South America: the canids of the Inciarte asphalt pit (Zulia, Venezuela), fossil record and biogeography", J. Pal. 81(5): 1053–1065.