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Bats are blind

From bullshitopedia
Bats are blind
FALSE
"Bats are blind and find their way only by echolocation, which is why people say "blind as a bat.""
Domain Science & Space
Tactic Fabrication
Era Historical
First seen Centuries old
Origin The saying "blind as a bat"
Last reviewed 2026-10-30
Further reading: books on Science & Space

The phrase "blind as a bat" has convinced many children that bats cannot see.

All bat species can see. Many also use echolocation.

What the evidence shows

  • Every bat has eyes. No bat species is blind. Large fruit bats and flying foxes have excellent vision and do not echolocate.
  • Echolocation plus sight. Many smaller bats use echolocation to hunt insects at night, but they also use vision, especially for long-distance navigation.
  • Color. Some bats can see ultraviolet light.

Why it matters

Myths about bats can make children fear useful animals. Bats pollinate plants and eat huge numbers of insects.

Sources

  • US Geological Survey, "Are bats blind?" FAQ.
  • Bat Conservation International, "Bat myths."
  • US National Park Service, "Bat Myths."