| But because many species are cold-blooded, some sharks eat only about 2 percent of their body weight each day. |
| There is a story about a frog, which, being a cold-blooded creature, adapts its temperature to its surroundings. |
| Butterflies are cold-blooded and bask in the sun to raise their body temperatures. |
| Most reptiles have three-chambered hearts, a design that makes them cold-blooded. |
| Still, bears are warm-blooded mammals and thus are more similar to humans than are cold-blooded reptiles like the alligators. |
| Crocodiles are cold-blooded creatures, and they keep their temperature constant by basking in the sun and staying in the water at night. |
