Summer ecology of bighorn sheep in Yellowstone National Park
A study of the summer ecology of bighorn sheep was conducted in Yellowstone National Park, Wyoming, from June 1966 to September 1967. Study objectives were to census the bighorn population, map the summer distribution, determine summer herd structure and behavior, observe daily feeding habits, and determine the effects of competition on summer ranges. The minimum number of bighorn summering in Yellowstone Park is 558. There were seven main summer herds: the NE herd, the lower Yellowstone and North park herd, the Washburn-Canyon-Specimen herd, the Gallatin herd, the NW herd, the East boundary ...
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