. . . . . . . . . "Urocyon littoralis catalinae" . . "Crotalus oreganus" . . "B.J. Dion. 2018. Urocyon littoralis catalinae associated species with names lookup Crotalus oreganus. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/9731274> on 05 Apr 2018." . . . . "http://iNaturalist.org is a place where you can record what you see in nature, meet other nature lovers, and learn about the natural world." .