. . . . . . . . . "Vipera aspis" . . "Podarcis muralis" . . "Daniel Iversen. 2017. Vipera aspis eating Podarcis muralis. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/5509527> 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." .