All reptiles are cold-blooded.

the verdict

SUPPORTED

the evidence backs this

Recorded sources

2 sources for · 0 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Is it true that all reptiles are cold-blooded?

Yes. A medical subject heading reference defines reptiles as cold-blooded vertebrates, and an older natural-history text defines a reptile as a cold-blooded backboned animal, though it notes some extinct reptiles may have been warm-blooded.

Verdict: SUPPORTED · 2 sources for, 0 against · Last checked 17 Oct 2026

Evidence for · 2

MeSH: Reptiles

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MeSH: Reptiles. (n.d.). meshb.nlm.nih.gov. https://meshb.nlm.nih.gov/record/ui?ui=D012104

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More for · 1

Water Reptiles of the Past and Present

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Water Reptiles of the Past and Present. (n.d.). gutenberg.org. https://www.gutenberg.org/ebooks/67314

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