Cold-blooded animals living there do not generate much heat and their body temperatures are so low that they live in a state of slow motion.

Others favour the idea that they kept these cold-blooded animals warmer, allowing them to remain more active (and potentially munching on more unfortunate park visitors) for longer each day.

Chromatophores are largely responsible for generating skin and eye colour in cold-blooded animals and are generated in the neural crest during embryonic development.

Some species of cold-blooded animals change color swiftly, to camouflage themselves.

At the end of the last ice age, cold-blooded animals, smaller mammals like wood mice, migratory birds, and swifter animals like whitetail deer had replaced the megafauna and migrated north.

They feed on any aquatic cold-blooded creature such as turtles and fish.

Cold-blooded creatures such as reptiles are particularly vulnerable, as they can survive only within a limited range of temperatures.

I think it will reveal to people the surprising and intimate lives of some of the cold-blooded creatures who have ruled the earth for nearly 200 million years.

Given that cold-blooded creatures rely on their surroundings to regulate body temperature, relatively stable marine ecosystems have actually made their inhabitants more susceptible to significant temperature changes.

Greenhouse gases are pushing up temperatures, forcing the cold-blooded reptiles to spend more time hiding in cool spots.

Did nobody tell them that they are cold-blooded reptiles before they wasted the cost of a helicopter?

However, for snakes the climate was simply too cold for them, because as cold-blooded reptiles they need warmth to stay alive.

Generally the brain shows the limited size and elongated shape of that of modern cold-blooded reptiles.