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(11-24-2015, 10:04 PM)GuateGojira Wrote: It seems that different scientists, in different studies, from different dates, produce different results.
For example, in 1982 Craighead and Mitchell found that the heaviest male and female at Yellowstone were of 500 and 204 kg respectively, but these were "dump" feed bears, not natural ones. Latter, Blanchard, in 1987, reported maximum weights of 325 and 194 kg (male and female respectively) in the same area, also influenced by "dump" but at a relative less degree. However, these specimens seems exceptional, as the second heaviest male in the study of Blanchard weighed 288.3 kg; the two heaviest specimens consistently foraged at the Cooke City, Mont., dump during summer months for the entire period they were monitored (3 and 7 years, respectively).
Maybe the weight of male "No.-211" at 597 lb (271 kg) could represent the maximum from a "no-dump" bear.
We had gotten a little off-topic for a good portion of this topic; but I agree with GuateGojira concerning the weight of Yellowstone grizzlies - outside of the dumpster-divers. A 597-pound grizzly is no small bear.