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. 2015 Sep 15;10(9):e0135241. doi: 10.1371/journal.pone.0135241

Fig 4. Local vs. non-local camouflage of Aegean wall lizards (Podarcis erhardii).

Fig 4

Degree of dorsal camouflage is shown against local island backgrounds and against different (non-local) island backgrounds overall (Folegandros, Nea Kameni, Santorini, Skopelos and Syros). Degree of camouflage is shown in terms of chromatic contrast (left axis; black data points) and luminance contrast (right axis; red data points) of lizards’ dorsal regions against the background (mean JND). JND values increasing >3.00 depict lizards that are progressively distinguishable from the background by avian predators. Error bars represent +/- 1 S.E.