The weight and size of the Gray Wolf can vary greatly worldwide, and tend to increase proportionally with
latitude. Generally speaking, height varies from 0.6–0.9 meters (26–34
inches) at the
shoulder, and weight from 32–62
kilograms (70–135
pounds), which together make Gray Wolves the largest of all wild canids.[4] Although rarely encountered, extreme specimens of more than 77 kg (170 lb) have been recorded in
Alaska and
Canada;[5] the heaviest wild wolf on record, which was killed in Alaska in 1939, was 80 kg (175 lb).[6] There are some unconfirmed reports of wolves hunted in North Eastern
Russia reaching weights of 100 kg. (220 lb).[7] The smallest wolves come from the
Arabian Wolf subspecies, the females of which may weigh as little as 10 kg (22 lb) at maturity. Females in a given population typically weigh about 20% less than their male counterparts.[8] Wolves can measure anywhere from 1.3–2 meters (4.5–6.5
feet) from nose to the tip of the
tail, which itself accounts for approximately one quarter of overall body length.[9] .