Wolf in forest

The wolf , also known as the gray wolf or grey wolf, is a large canine native to Eurasia and North America. More than thirty subspecies of Canis lupus have been recognized, and gray wolves, as colloquially understood, comprise non-domestic/feral subspecies. The wolf is the largest extant member of Canidae, males averaging 40 kg (88 lb) and females 37 kg (82 lb). Wolves measure 105–160 cm (41–63 in) in length and 80–85 cm (31–33 in) at shoulder height.