Gray wolf , Wilk  [a] (Canis Lupus) - a species of a predatory mammal from the PSAY family (Canidae), inhabiting forests, plains, swampy areas and mountains of Eurasia and North America. A species with territorial tendencies. Typically, the territory occupied by Watah is 100-300 km² , but this volume depends on the availability of food and land. There may be shared part of the terrain by two competing Wataha . Wilk is able to overcome the distance of several dozen kilometers. In search of a Partner Male can stay over 600 km within 2 weeks .