Species: lupus (Greek word meaning "wolf") Common names: gray wolf, timber wolf; Names in other languages: Lobo (Spanish), Loup (French), Lupo (Italian), Varg (Swedish), Ulv (Norwegian) Physical Characteristics. Average body mass: males …

2021年3月20日 · Yellowstone is home to the grey (or gray) wolf, a large dog-sized canine with a large head, long legs, and, in the winter, bushy gray fur (although the color can vary from white to brown). They have been compared to a German Shepherd in size and appearance.

2024年5月10日 · Gray wolves were reintroduced into Yellowstone National Park in 1995, resulting in a trophic cascade through the entire ecosystem. After the wolves were driven extinct in the region nearly 100 years ago, scientists began to fully understand their role in the food web as a keystone species.

6 天之前 · Gray Wolf (Canis lupus). Image via Depositphotos. Wolves were once abundant in Yellowstone, but by the early 20th century, they were eradicated due to hunting and government policies. This removal led to significant ecological changes, prompting conservationists to advocate for their return. Welcome Back

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.

2019年4月25日 · SPECIES: lupus (Greek word meaning "wolf") COMMON NAMES: gray wolf, timber wolf NAMES IN OTHER LANGUAGES: Spanish: Lobo, French: Loup, Italian: Lupo, Swedish: Varg, Norwegian: Ulv

When Yellowstone was established in 1872, gray wolves were present. The fossil record also shows their presence in the region going back thousands of years. However, early park managers, lacking an understanding of ecosystems, viewed wolves as destructive predators.

2023年6月22日 · When the grey wolf was reintroduced into the Greater Yellowstone Ecosystem in 1995, there was only one beaver colony in the park, said Doug Smith, a wildlife biologist in charge of the Yellowstone Wolf Project.

In the Yellowstone area, you may find wolves that are gray, mottled gray and black, and even completely black. Wolves have both a fur undercoat and an overcoat. The thick undercoat traps heat, which helps wolves regulate their body temperature.

Thousands of gray wolves roamed the Rocky Mountains before being slaughtered and eliminated in most of the West by the 1930’s. The gray wolf was listed as endangered under the Endangered Species Act in 1973.