Are insects warm blooded?

Cold-blooded animals are now called ectotherms, for the term cold-blooded is misleading. Cold-blooded organisms maintain their body temperatures in ways different from mammals and birds. The term is now outdated in scientific contexts. Cold-blooded creatures were, initially, presumed to be incapable of maintaining their body temperatures at all. read more

Cold-blooded organisms, such as insects, must rely on heat from the environment. By using the heat from the environment to survive, the food they intake does not get "wasted" generating body heat, and goes straight toward building their mass. read more

In hot environments, cold-blooded animals can have blood that is much warmer than warm-blooded animals. Cold-blooded animals are much more active in warm environments and are very sluggish in cold environments. read more