common lizard warms itself in the sun

common lizard reptiles lacertidae scales brown green insectivore quadruped oviparous lair trees walls ruins tail autotomy regeneration animal wild wildlife summer season seasonal cold blood winter latency european wall small thin variable colour pattern legs daylight sunlight morning insectivorous zoology biology nature natural environment europe italy umbria terni outdoor outside rapid rapidity countryside rocky environments rock warms itself sun standing still full reptile snake turtle amphibian tortoise serpent frog crocodile soil toad