Vertebrates, for example, are divided into mammals ... ducks and owls. Reptiles are animals that have dry, scaly skin and are cold-blooded. This means their body temperature changes with the ...

A team of life scientists at East China Normal University has found that at least one type of cold-blooded animal uses behaviorally ... by lying in the sun, for example, or moving to warmer ...

In contrast, cold-blooded animals, or ectotherms — like most ... they don't need to eat as regularly; alligators, for example, can go more than a year without food. For years, researchers ...