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Scientists May Have Found The Oldest Known Grizzly Bear In Yellowstone. The Male Bear, Age 34, Was Captured In The Summer Of 2020 And Euthanized After Being Caught Preying On Calves, Probably Due To Its Very Few Teeth–A Sign Of Old Age. Scientists, After Euthanization, Found A “168” Mark On The Lip, Given To The Bear In 1989.

Scientists Found the Oldest Known Grizzly Bear in Yellowstone

https://earther.gizmodo.com/scientists-found-the-oldest-known-grizzly-bear-in-yello-1846125021

Scientists found a 34-year-old grizzly bear in southwest Wyoming, identifying him by a mark on his lip made by biologists in 1989. That’s the oldest grizzly ever known in the Yellowstone region. Respect your elders.