Studies carried out with the common wall lizard (_Podarcis muralis_) revealed preferential use of the left eye during responses to predatory threat in laboratory settings and in the wild. Here we tested lizards under monocular conditions of vision, using temporary eye-patching. Lizards were facing a (simulated) predatory threat laterally, from the side of the non patched eye. Results showed that lizards with the left eye uncovered during predatory threat used the left eye to monitor the predator, whereas lizards with the right eye uncovered tried to use nonetheless the covered left eye. Moreover, lizards frequently tried to change the eye exposition making a body C-bend behaviour. Right-eyed lizards showed more frequently and faster C-bending responses than left-eyed lizards, trying to monitor the predator with the left eye even though patched. Results fit with asymmetries in spontaneous eye use observed in laboratory conditions and in the wild in this species, confirming that structures located on the right side of the brain (mainly served by the left eye) predominantly attend to predatory threat.
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