Updated research in the 1980s verified that the last official killing ...
wikipedia - 29 Apr 2022Updated research in the 1980s verified that the last official killing of wolves in the park took place in 1926 when two pups found near Soda Butte Creek were killed by park rangers.[7] The last reported wolf killed in the Greater Yellowstone Ecosystem (prior to today's legal hunting or control measures) occurred in May 1943 when Leo Cottenoir, a Native American sheepherder on the Wind River Reservation shot a wolf near the southern border of the park.[8]