"Mackenzie Valley Wolf, Alaskan Tundra Wolf or Canadian Timber Wolf (Canis lupus occidentalis), two young wolves playing in the snow"

"Mackenzie Valley Wolf, Alaskan Tundra Wolf or Canadian Timber Wolf (Canis lupus occidentalis) in the snow, leader of the pack"

"Mackenzie Wolf, Canadian wolf, Timber wolf (Canis lupus occidentalis) in the snow, leader of the pack, on the right, reprimanding a young wolf"

"Mackenzie Valley Wolf, Alaskan Tundra Wolf or Canadian Timber Wolf (Canis lupus occidentalis) in the snow, displaying low rank with tail tucked between hind legs, attitude of humility"

"Mackenzie Valley Wolf, Alaskan Tundra Wolf or Canadian Timber Wolf (Canis lupus occidentalis), two wolves in the snow, the female leader of the pack on the left"

"Mackenzie Valley Wolf, Alaskan Tundra Wolf or Canadian Timber Wolf (Canis lupus occidentalis) in the snow, displaying low rank with tail tucked between hind legs, attitude of humility"

"Northwestern wolf (Canis lupus occidentalis) in the snow, attentive, captive, Baden-Wurttemberg, Germany, Europe"

"Mackenzie Valley Wolves (Canis lupus occidentalis), wolf pack on the lookout, in the snow, captive, Baden-Wurttemberg, Germany, Europe"

"Welcome, greeting, domination, licking, Northwestern wolf (Canis lupus occidentalis) in the snow, captive, Baden-Wurttemberg, Germany, Europe"

"Bleeding wound on the head, Northwestern wolf (Canis lupus occidentalis) in the snow, captive, Baden-Wurttemberg, Germany, Europe"

"Male leader of the pack, alpha wolf, Northwestern wolf (Canis lupus occidentalis) in the snow, lookout, captive, Baden-Wurttemberg, Germany, Europe"

"Male and female alpha wolf, alpha wolf, greeting, Northwestern wolf (Canis lupus occidentalis) in the snow, captive, Baden-Wurttemberg, Germany, Europe"

Wolf (Canis lupus) drinking from pond

Wolf (Canis lupus), adult, running through water, Minnesota, USA, North America

Wolf (Canis lupus), adult, running through water, Minnesota, USA, North America

Wolf (Canis lupus), in the snow in winter, Montana, USA, North America

Wolf (Canis lupus), adult, looking between two birch trunks, Minnesota, USA, North America

Wolf (Canis lupus), foraging in the snow in winter, Montana, USA, North America

Wolf (Canis lupus), drinking water in the snow in winter, Montana, USA, North America

Wolf (Canis lupus), cubs begging their mother for food, social behavior, Minnesota, USA, North America

Russian postman being attacked by wolves, historic wood engraving, about 1897

"Mackenzie Wolf, Canadian wolf, Timber wolf (Canis lupus occidentalis)"