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The wolf (Canis lupus; [b] pl.: wolves), also known as the grey wolf or gray wolf, is a canine native to Eurasia and North America.More than thirty subspecies of Canis lupus have been recognized, including the dog and dingo, though grey wolves, as popularly understood, only comprise naturally-occurring wild subspecies.
Debate continues when seasonal and diet of young wolves is discussed. According to one study, muskox calves serve as a primary food source because the needs of pups are greater [26] but another study suggests that "when hares were much more plentiful (Mech, 2000), wolves commonly fed them to their pups during summer."
Dire wolves dated 17,900 YBP showed all of these features, which indicates food stress. Dire wolves dated 28,000 YBP also showed to a degree many of these features but were the largest wolves studied, and it was proposed that these wolves were also suffering from food stress and that wolves earlier than this date were even bigger in size. [70]
Arabian wolves do not usually live in large packs, and instead hunt in pairs or in groups of about three or four animals. [22] [23] They are most frequently active around water sources at sunrise and mid-afternoon. [24] However, they more commonly travel at night. Due to food availability, Arabian wolves often associate with human settlements. [25]
Northwestern wolves are one of the largest subspecies of wolves. In British Columbia, Canada, five adult females averaged 42.5 kg or 93.6 lbs with a range of 85 lbs to 100 lbs (38.6 - 45.4 kg) and ten adult males averaged 112.2 lbs or 51.7 kg with a range of 105 lbs to 135 lbs (47.6 - 61.2 kg), with a weight range for all adults of 38.6 kg to 61.2 kg (85 – 135 lbs). [9]
Legislation proposed in Albany would require DNA testing of canids killed in New York state weighing over 50 pounds to determine if it is a wolf.
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The wolverine's questionable reputation as an insatiable glutton (reflected in its Latin genus name Gulo, meaning "glutton") may be in part due to a false etymology.The less common name for the animal in Norwegian, fjellfross, meaning "mountain cat", is thought to have worked its way into German as Vielfraß, [5] which means "glutton" (literally "devours much").