Sand Lizard

Lacerta agilis

Rare & localized in Southern England, also parts of West Wales between April-September.

In Males, the bright green genital coloration has been shown to be brighter depending on body mass and fighting ability.

Males with brighter colors were more likely to initiate aggressive behaviors and win fights, which generally leads to them having a higher mating success.

Females are more of a grey to brown color and can be seen with large bulging bellies full of eggs, from May to August.