How do cold blooded animals like lizards and snakes stay warm?

Answer:
They absorb heat from their surroundings. In the wild, they'd usually seek out a warm spot on a rock in the sunlight. In captivity - they rely on whatever artificial heat source we reptile-keepers provide.
First answer by Snakester1962. Last edit by Snakester1962. Contributor trust: 250 [recommend contributor recommended]. Question popularity: 1 [recommend question].