Fig. 1From: Being red, blue and green: the genetic basis of coloration differences in the strawberry poison frog (Oophaga pumilio)Sampling scheme and general gene expression patterns. A) Geographic location of localities in the Bocas del Toro archipelago where Oophaga pumilio samples were obtained (AL, Almirante; AG, Aguacate; PO, Popa) and their associated color phenotypes (inset photos). B) Plot of the principal component analysis summarizing the expression pattern across samples of the three color phenotypes. The background map in A (© OpenStreetMap contributors) was created with open data cartography licensed under a Creative Commons Attribution-ShareAlike 2.0 license (CC BY-SA, https://www.openstreetmap.org/copyright)Back to article page