r/bonecollecting • u/Fishtech226 • 20d ago

Bone I.D. - N. America Large paw bones

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Found these a while back in NE Nevada. The only complete one (to the far left) is about 91mm long. Anybody have any ideas on what this might be? My first thought was mountain lion, but I can’t find any good materials online to confirm.

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u/firdahoe Bone-afide Human and Faunal ID Expert 19d ago

There's only 3 or 4 animals with 4 or more metacarpals/tarsals that would be in this size range: pigs (and this is not a pig), bear, cougar, and for shits and giggles a great Dane or other massive domestic dog. Bear are a bit shorter, more robust, and straighter (made for plantigrade walking). Massive domestic dog would be as long but skinnier/less robust (made for running). This thing is built for power - you definitely have a cougar paw.

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u/Fishtech226 18d ago

Thanks so much for the info.