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What species has the most powerful nose?

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What species has the most powerful nose?

Argentina slevlife Offline
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Joined: Jan 2022
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#1
01-27-2022, 04:56 AM

I've been trying to learn/write about animals with the most powerful/sensitive/whatever versions of various senses, and comparing them to humans.

Regarding the sense of smell, it seems elephants and bears are likely among the best out there, but I haven't been able to find a lot of concrete science on olfactory comparisons between different species (maybe I'm just bad at searching for it). There is some research on limited numbers of animals measuring things like the number of olfactory receptors they have, or their functional olfactory receptor genes, but I haven't been able to find much that actually demonstrates how well such numbers correlate with observed behavior (e.g., actually testing animals' ability to distinguish odors or follow very faint smells).

I'd love any help and insight you have into animals with the best and/or most interesting noses and senses of smell. Really, any cool anecdotes about animal noses in general would probably be very interesting to learn!  Lol
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