cold-blooded animals

1. Animals, such as reptiles, fishes, and amphibians, that cannot control their body temperature and therefore become sluggish in cold weather. (Compare warm-blooded animals.)

Cold-blooded animals are often seen sunning themselves to warm up.

Example Sentences

A new UBC study shows that climate warming can potentially make bacterial and fungal infections deadlier for cold-blooded animals like corals, insects, and fish, raising questions about the broader risks warming temperatures pose to ecosystems and biodiversity -- and potentially humans.

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Using statistical models, the researchers found that cold-blooded animals with bacterial infections were more likely to die when exposed to higher temperatures compared to their usual environmental conditions.

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"These findings suggest that climate warming may pose a greater risk to cold-blooded animals, an important part of the ecosystem," said Dr. Li.

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In the early 20th century, dinosaurs were considered slow-moving, "cold-blooded" animals like modern-day reptiles, relying on heat from the sun to regulate their temperature.

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Cold-blooded animals, including reptiles like snakes and lizards, depend on outside sources to control their temperature: For example, basking in the sun to warm up.

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