The northwestern wolf (Canis lupus occidentalis), also known as the Mackenzie Valley wolf, [5] Alaskan timber wolf, [6] or Canadian timber wolf, [7] is a subspecies of gray wolf in western North America.

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 …

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

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.

2025年2月13日 · Elk move into heavy timber when wolves are around, Creel added, but return to the grassy, open meadows when wolves go away. Creel and other researchers are still working out what that means in terms of the elk’s diet and whether there …

2025年1月15日 · The Yellowstone wolf, previously classified as Canis lupus irremotus, was reclassified under Canis lupus nubilus, a subspecies that ranged across much of the western and central U.S. To the north, the primary subspecies is Canis lupus occidentalis, or …

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.

2017年7月10日 · Wolves are social animals and usually live in packs consisting of eight to 12. Here, the "Gibbons" wolf pack, named after its territory in the Gibbon Meadows of Yellowstone National Park,...

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. The overcoat consists of hollow and coarse insulative hairs.

Experience the beauty of Yellowstone's iconic wolves and support their conservation. Learn about the challenges they face and how to secure their future with science-based solutions. Join the Greater Yellowstone Coalition's efforts to build tolerance and protect these keystone species for generations to come.