Mackenzie Valley Wolf Range: Northwest Territories & Northern Yukon, Canada

The Mackenzie Valley wolf (Canis lupus mackenzii) is a subspecies of gray wolf native to northwestern Canada.

Range

• Northwest Territories: Mackenzie River valley, Great Bear Lake, Great Slave Lake regions.
• Northern Yukon Territory: Peel River watershed, Richardson Mountains foothills.
• Northern boundary: Generally follows the treeline northward.

Habitat

• Boreal forest (taiga), tundra transition, river valleys.
• Prey: Barren-ground caribou (migratory), moose, Dall's sheep, beaver, hare.
• Territories: Vast (1,000–3,000 km²) due to low prey density.

Characteristics

• Largest gray wolf subspecies: males 45–65 kg (100–143 lbs), up to 1.8 m (6 ft) long.
• Thick coat (white, gray, black); adapted to -50°C.
• Highly social; packs of 6–12 (up to 20+).

Conservation

• Not listed (IUCN: Gray Wolf = Least Concern).
• Threats: Habitat fragmentation (mining, roads), climate change (caribou decline), human-wildlife conflict.
• Managed under NWT/Yukon wildlife acts; Indigenous co-management.

This wolf is the apex predator of the Canadian Subarctic—a symbol of wild, intact boreal ecosystems.