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The Greater Yellowstone Ecosystem (GYE) is one of the last remaining large, nearly intact ecosystems in the northern temperate zone of the Earth. [1] It is located within the northern Rocky Mountains , in areas of northwestern Wyoming , southwestern Montana , and eastern Idaho , and is about 22 million acres (89,000 km 2 ). [ 2 ]
Yellowstone National Park in the northwest United States is home to a large variety of mammals, birds, fish, reptiles and amphibians, many of which migrate within the Greater Yellowstone Ecosystem. These animals are a major park attraction.
As of 2017, an estimated 700 grizzly bears were living in the Greater Yellowstone Ecosystem, [131] with about 150 grizzlies living wholly or partially within Yellowstone National Park. [132] The grizzly was initially listed as a threatened species in the contiguous United States on July 28, 1975, by the Fish and Wildlife Service.
Grizzly 399's death marks the second bear mortality this year caused from a vehicle strike in the Greater Yellowstone Ecosystem, according to the U.S. Fish & Wildlife Service.Between 2009 and 2023 ...
With its geysers and wildlife, it doesn’t take long to realize Yellowstone National Park is alive. A thousand-year flood event, as the National Park Service called it, wiped out bridges, homes ...
The Greater Yellowstone Ecosystem is a uniquely large contiguous ecosystem of the northern Rocky Mountains, within areas of Montana, Wyoming, and Idaho in the northwestern United States. It includes the Yellowstone Caldera region, and is protected within 2 U.S. National Parks, 5 U.S. National Forests, and 10 Wilderness Areas.
A bull elk grazes in Gibbon Meadows in the west-central portion of the park. An elk grazes with a bison in the park. There are at least 67 species of mammals known to live within Yellowstone National Park, a 2,219,791 acres (898,318 ha) [1] protected area in the Rocky Mountains of Wyoming, Montana, and Idaho.
Yellowstone National Park is symbolic of the American West to many. It became the world’s first national park when President Ulysses Grant signed it into existence in 1872.