Harvest and Population Characteristics of Black Bears in Oregon (1971-74)

January 1, 1980

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Sixty-six percent of black bears (Ursus americanus) harvested in Oregon during the 1971-74 sport-hunting seasons were killed by persons hunting other game at the time. Male bears, however, were harvested most heavily during the months when the majority of bears taken were killed by persons hunting exclusively for bears. Most females bred as 3- or 4-year-olds but produced fewer cubs in their first litter than were produced by bears older than 5 years. Survival of females in age-classes 1-5 was significantly higher than survival of males in the same age-classes. Survival did not differ between sexes in bears older than 6 years.

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