Why is human hearing so poor compared to our fur friends? If its the modern comfortable living, then why have the fur babies retained such gret hearing?
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Human hearing is not really that poor anyway.
In terms of range, we can hear about 10 octaves, and (approximately) so can dogs. Dogs’ hearing range seems impressive because it goes higher, but ours goes lower. In a linear scale, that looks like a bad trade, but in terms of octaves (which, for sound, is a fairer comparison) the range is shifted over by a couple of octaves but about equally large.
Compared to various other animals, our hearing range is [not especially bad](https://en.wikipedia.org/wiki/Hearing_range) (also not especially good).
Being able to detect a sound isn’t the whole story, and it is thought that many non-primate mammals have a less-developed pitch perception compared to primates. Humans do alright on that front.
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