What snakes, turtles, lizards, and other reptiles do to maintain their body temperature. Reptiles need sunlight to help them digest their food, so they often lay on logs or rocks to soak up sunlight.
To lay in the sun to absorb heat and UV rays. Basking is an important part of an iguana's daily life, and makes up most of their day.
A way Reptilians absorb heat and UV rays from the sun. Aquatic turtles will leave the water and bask on a log, shore, etc.
sit in sunlight (usually to warm up).
to expose the body to the direct rays of the sun (e.g., snakes may be seen basking on rocks or logs)