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the claim

Snakes determine prey direction using thermal infrared sensing pit organs

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 snakes determine prey direction using thermal infrared sensing pit organs?

Yes. Snakes utilize specialized facial pit organs containing highly sensitive thermal receptors to detect infrared radiation, allowing them to locate and determine the direction of prey.

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

The analysis

The retrieved papers provide robust molecular, physiological, and behavioral evidence showing that snakes possess specialized pit organs functioning as infrared sensors (paper 0) and that pit vipers use this system to detect and strike prey based on thermal cues (paper 11). There is no evidence refuting the claim.

Evidence for · 2
Molecular basis of infrared detection by snakes.
2010
Demonstrates that snakes possess specialized facial pit organs innervated by extremely heat-sensitive TRPA1 channels, which function as primary transducers for detecting infrared thermal radiation from prey and predators.
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EO, G., NT, I., YM, K., JF, C., G, H., AT, C., EE, S., JC, P., JS, W., & D, J. (2010). Molecular basis of infrared detection by snakes.. doi.org. https://doi.org/10.1038/nature08943

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More for · 1
The thermal background determines how the infrared and visual systems interact in pit vipers
2017
Shows that pit vipers utilize their thermal infrared sensing system to detect and strike prey, confirming that the pit organ provides directional thermal imaging capabilities.
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Chen, Q., Liu, Y., Brauth, S., Fang, G., & Tang, Y. (2017). The thermal background determines how the infrared and visual systems interact in pit vipers. doi.org. https://doi.org/10.1242/jeb.155382

Receipt History
first checked04 Aug 2026
judged → SUPPORTED · 9104 Aug 2026
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