Research by Jon Hagstrum suggests that homing pigeons use low-frequency infrasound to find their way home.
Source: tatoeba (8732976)
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Research by Jon Hagstrum suggests that homing pigeons use low-frequency infrasound to find their way home.
Source: tatoeba (8732976)
They reported seeing a fireball in the sky and hearing a protracted low-frequency sound.
Source: tatoeba (11127239)
At the other end of the spectrum are very low-frequency sounds (below 20 Hz), known as infrasound.
Source: tatoeba (12364770)