query: Are wolves dangerous to humans?
passage: Wolf attack
The gray wolf is the largest wild member of the canid family, with males averaging 43–45kg (95–99lb), and females 36–38.5kg (79–85lb).[4] It is the most specialized member of its genus in the direction of carnivory and hunting large game.[5] Although they primarily target ungulates, wolves are at times versatile in their diet; for example, those in the Mediterranean region largely subsist on garbage and domestic animals.[6] They have powerful jaws and teeth and powerful bodies capable of great endurance, and often run in large packs. Nevertheless, they tend to fear and avoid human beings, especially in North America.[7] Wolves vary in temperament and their reaction to humans. Those with little prior experience with humans, and those positively conditioned through feeding, may lack fear. Wolves living in open areas, for example the North American Great Plains, historically showed little fear before the advent of firearms in the 19th Century,[8] and would follow human hunters to feed on their kills, particularly bison.[9] In contrast, forest-dwelling wolves in North America were noted for shyness.[8] Wolf biologist L. David Mech hypothesized in 1998 that wolves generally avoid humans because of fear instilled by hunting.[10] Mech also noted that humans' upright posture is unlike wolves' other prey, and similar to some postures of bears, which wolves usually avoid.[7] Mech speculated that attacks are preceded by habituation to humans, while a successful outcome for the wolf may lead to repeated behavior, as documented especially in India.[10]
passage: Eastern wolf
Since the early 1970s, there have been several incidents of bold or aggressive behavior towards humans in Algonquin Provincial Park. Between 1987 and 1996, there were four instances of wolves biting people. The most serious case occurred in 1998, when a male wolf that had been long noted to be unafraid of humans stalked a couple walking their four-year-old daughter in September that year, losing interest when the family took refuge in a trailer. Two days later, the wolf attacked a 19-month-old boy, causing several puncture wounds on his chest and back before being driven off by campers. After the animal was killed later that day, it was found to be non-rabid.