Fig. 1From: Biogeographic and demographic history of the Mediterranean snakes Malpolon monspessulanus and Hemorrhois hippocrepis across the Strait of GibraltarStudy area and sampling of Hemorrhois hippocrepis (a) and Malpolon monspessulanus (b) (Photos by D. Salvi). Dashed lines represent species native ranges (IUCN 2008—The IUCN Red List of Threatened Species). White squares: samples used in Carranza et al. (2006) [18]; black circles: original samples from the current studyBack to article page