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RE: When narwhals (Monodon monoceros) rub their tusks together, it is believed to be to share information about the water, not as a sign of aggressive rivalry

in #science7 years ago

I tend to agree with your hypothesis. As a defensive weapon, a horn that long seems unwieldy, when compared to the much more versatile claws and teeth other animals have at their disposal.

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Yep, that's a good point. It would probably be very inefficient for hunting and dueling with.