Bernard Castelein / Viviparous lizard (Zootoca vivipara), male basking on lichen covered rock. Cote d'Opale / Opal Coast, France. May.

Bernard Castelein / Viviparous lizard (Zootoca vivipara), male on lichen covered rocks, portrait. Cote d'Opale / Opal Coast, France. May.

Robert Valentic / Milos wall lizard (Podarcis milensis) male from the hills above Plaka on Milos Island, Greece, July. Controlled conditions.

Robert Valentic / Milos wall lizard (Podarcis milensis) male in breeding colours from Plaka on Milos Island, Greece, July. Controlled conditions.

Robert Valentic / European snake-eyed skink (Ablepharus kitaibellii) basking on stone in drystone wall. Milos Island, Cyclades, Greece.

Robert Valentic / Peloponnese wall lizard (Podarcis peloponnesiacus) in breeding colours. Kardamyli,Peloponnese, Greece. August.

Fabio Pupin / Sand lizard, (Lacerta agilis), male in habitat, Switzerland, June . Non-ex.

Fabio Pupin / Balkan green lizard, (Lacerta trilineata), basking in habitat, Croatia, April . Non-ex.

Fabio Pupin / Blue-throated keeled lizard, (Algyroides nigropunctatus), male basking on rocks, Croatia, April . Non-ex.

Fabio Pupin / Moorish gecko, (Tarentola mauritanica), Italy, June . Non-ex.

Fabio Pupin / Bedriaga's rock lizard, (Archaeolacerta bedriagae), Sardinia, Italy, June . Non-ex.

Fabio Pupin / Common wall lizard, (Podarcis muralis), ventral pattern used for ID, Italy, July . Non-ex.