在奇尔库特小道上，加拿大公园看守人麦克指着一大堆棕色的粪便：“灰熊的粪便。”
Up on the Chilkoot trail, Mike, a ranger for Parks Canada, pointed at a large brown heap of dung: "Grizzly scat."
灰熊、狼、自由放养的美洲野牛和麋鹿群都在公园里生活着。
Grizzly Bears, wolves, and free-ranging herds of bison and elk live in the park.
当1973年《濒危物种法案》签署时，人们期望它能保护一批引人注目的动物，如秃头鹰和黄石公园的北美灰熊。
When the Endangered Species Act was signed in 1973, it was expected to protect charismatic fauna such as the bald eagle and Yellowstone's grizzly bears.
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