Differences in Chemical Sexual Signals May Promote Reproductive Isolation and Cryptic Speciation between Iberian Wall Lizard Populations

<table>Separation of the principal components scores (PCs) describing chemicals from femoral secretions of male lizards in a discriminant analysis based on population of origin.</table>

International Journal of Evolutionary Biology

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Figure 2: Differences in Chemical Sexual Signals May Promote Reproductive Isolation and Cryptic Speciation between Iberian Wall Lizard Populations 