Northwestern Wolf at Lamar River in Lamar Valley, Yellowstone National Park (Wyoming, USA)
Canis lupus occidentalis, northwestern wolf, Mackenzie Valley wolf, Alaskan timber wolf, Canadian timber wolf, Mackenzie-Wolf, lupo grigio nordoccidentale, lupo grigio della Valle del Mackenzie, lupo del Canada settentrionale, lupo dell'Alaska, Lamar River, Lamar Valley, Yellowstone National Park, Yellowstone-Nationalpark, parco nazionale di Yellowstone, Wyoming, USA
