The Arctic wolf (Canis lupus arctos), presented on the postage stamp with the face value of Lei 1.80, belongs of Canidaefamily and is a subspecies of grey wolf that lives in the northern...
The family of martens (Mustelidae) includes a large number of species. Among others, there are beech martens and pine martens, weasels and European polecats. They are bloodthirsty and...