Lizards who live in areas with isolated or wdiely spaced shades are more prone to the effects of global warming.
Even tiny birds can live in the Arctic, and very large animals can live near the equator, despite earlier thoughts about which sizes of animals could adjust to cold or heat.
A new dinosaur species with a "sail" on its back was recently unearthed in northeastern Spain. Researchers say this mysterious "sail" helped the dinosaur regulate its body temperature or store fat.
Dinosaurs had an elaborate nasal passage to keep their unusually large bodies cool, protecting their brain from overheating.