Back view of two young people and their beloved wolf dog sitting and hugging in an old town street staring at the sun, Piemonte, Italy, Europe

African wild dog (painted wolf) (Lycaon pictus), Bushman Plains, Okavango Delta, Botswana, Africa

African wild dog (Painted Wolf) (Lycaon pictus), Bushman Plains, Okavango Delta, Botswana, Africa

Coyote walking on hill

Wolf dog in a beechwood. Señorio de Bertiz Natural Park. Navarre, Spain, Europe

Caucasian young woman with hat and raincoat and wolf dog enjoying snow outdoor in winter time. Navarre, Spain, Europe.

Caucasian young woman enjoying playing with a wolf dog in snow outdoor in winter time. Navarre, Spain, Europe.

Mackenzie Wolf, Canadian wolf (Canis lupus occidentalis) in snow, young animal trying to bite another dog's side

Timberwolf, American wolf Mackenzie Valley Wolf (Canis lupus occidentalis) pup in a meadow, Captive, France, Europe

Timberwolf, American wolf Mackenzie Valley Wolf (Canis lupus occidentalis) pup sitting in a meadow, Captive, France, Europe

Eilean Donan Castle bei Dornie, Western Ross, Loch Duich, West Highlands, schottisches Hochland, Schottland, Grossbritannien

Eilean Donan Castle bei Dornie, Western Ross, Loch Duich, West Highlands, schottisches Hochland, Schottland, Grossbritannien

Timberwolf, American wolf (Canis lupus occidentalis), captive, pups with adult, Germany, Europe

Timberwolf, American wolf (Canis lupus occidentalis), captive, pups with adult, Germany, Europe

Timberwolf, American wolf (Canis lupus occidentalis), captive, pups with adult at den, Germany, Europe

Timberwolf, American wolf (Canis lupus occidentalis), captive, pups with adult, Germany, Europe

Timberwolf, American wolf (Canis lupus occidentalis), captive, pup at den, Germany, Europe

Timberwolf, American wolf (Canis lupus occidentalis), captive, pups with adult, Germany, Europe

Timberwolf, American wolf (Canis lupus occidentalis), captive, pup in a meadow, Germany, Europe

Timberwolf, American wolf (Canis lupus occidentalis), captive, pup at den, Germany, Europe

Sled dogs in the town Uummannaq in the north of west greenland. The dogs are still used to pull sleds for the local fishermen during winter. The town Uummannaq in the north of West Greenland, located on an island in the Uummannaq Fjord System. America, North America, Greenland

Sled dogs in the small town Uummannaq in the north of west greenland. During winter the dogs are still used as dog teams to pull sledges of fishermen. America, North America, Greenland, Denmark

Sled dogs in the town Uummannaq in the north of west greenland. The dogs are still used to pull sleds for the local fishermen during winter. The town Uummannaq in the north of West Greenland, located on an island in the Uummannaq Fjord System. America, North America, Greenland

An avalanche rescue dog, trained to sniff out victims buried in avalanches, with his owner, handler at Wolf Creek Ski Area near Pagosa Springs, Colorado.

An avalanche rescue dog, trained to sniff out victims buried in avalanches, rides a chairlift with his owner, handler at Wolf Creek Ski Area near Pagosa Springs, Colorado.

Alaska, Gray wolf stalking prey in deep winter snow.

Alaska, Gray wolf stalking prey in deep winter snow.

African wild dog, African painted dog, painted wolf or African hunting dog (Lycaon pictus). Mpumalanga. South Africa.

African wild dog, African painted dog, painted wolf or African hunting dog (Lycaon pictus). Mpumalanga. South Africa.