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The history of wolves in Yellowstone includes the extirpation, absence and reintroduction of wild populations of the gray wolf (Canis lupus) to Yellowstone National Park and the Greater Yellowstone Ecosystem. When the park was created in 1872, wolf populations were already in decline in Montana, Wyoming and Idaho.
In recent years, however, Yellowstone's elk population has plummeted. The Northern Herd, the only herd that winters in the park, has declined from nearly 20,000 animals in 1994 to less than 4,000 in 2013. Ecologists have linked this decline to a declining population of cutthroat trout in Yellowstone Lake, caused by invasive lake trout. With ...
During that time, the Idaho wolf population had made the most remarkable comeback in the region, with its abundant federal lands and wilderness areas peaking at nearly 900 wolves (almost half of the regional wolf population) in 2009. However, the wolves have increasingly been blamed for livestock and hunting opportunity losses.
The 10,000 year old Grand Canyon of Yellowstone surrounds the mighty Yellowstone River. Gazing from the canyon rim into the 1,000-feet deep gorge should make even the most seasoned traveler feel ...
The Yellowstone Wolf Project started in 1995 and since it's become one of the most detailed studies of wolves the world. They also focus on studying the day-to-day life and social interactions of ...
The wolf population in Mongolia suffered quite intensive hunting periods in the early years of the 20th century, with up to 18,000 wolves being killed each year in the 1930s and 1940s, under the big and wide-range wolf hunts fostered and planned by the government.
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.
This year the state is home to nine packs containing an estimated 70 wolves, up from 44 last year. Most live in the northeastern part of the state, though there is one pack about 200 miles north ...