• Question: Why can dogs hear high-frequency noises better than humans?

    Asked by kingers7 to Mike, Pip, Tianfu, Tim, Tom on 28 Jun 2012. This question was also asked by mollieet.
    • Photo: Tom Lister

      Tom Lister answered on 28 Jun 2012:

      In their evolutionary history, they relied partly upon hearing for hunting (more so than we did). As a result, they have bigger ears that direct sound into their ear canal more effectively (and can swivel!). They probably have a longer cochlear too, which is tube full of cells in that respond to different frequencies: low pitched at one end and high pitched at the other.

    • Photo: Tim Stephens

      Tim Stephens answered on 28 Jun 2012:

      Tom seems to know an answer.

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