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the claim
Eagles have visual acuity roughly two to three times sharper than typical human 20/20 vision.
the verdict
CONTESTED PARTIAL
Recorded sources
2 sources for · 1 against
Is it true that Eagles have visual acuity roughly two to three times sharper than typical human 20/20 vision?
Partly. One reference estimates eagle eyesight at 4 to 8 times stronger than average human vision, while peer-reviewed reviews confirm eagles have high visual acuity but give no specific 2-3x ratio. The evidence partially addresses the claim but does not settle the exact magnitude.
Verdict: CONTESTED PARTIAL · 2 sources for, 1 against · Last checked
Evidence for · 2
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S, P., M, M., & A, K. (2020). Visual adaptations of diurnal and nocturnal raptors.. doi.org. https://doi.org/10.1016/j.semcdb.2020.05.004
Evidence against · 1
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Eagle eye - Wikipedia. (n.d.). en.wikipedia.org. https://en.wikipedia.org/wiki/Eagle_eye
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More for · 1
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EM, C., E, F., & LA, K. (2024). Ecological and morphological correlates of visual acuity in birds.. doi.org. https://doi.org/10.1242/jeb.246063
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