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Largest Wolves in the World. The gray wolf: a beautiful species that was almost hunted to extinction. NA/AbleStock.com/Getty Images. When people think of wolves, one species usually comes to mind: the gray wolf. The gray wolf is the largest wolf and the basis of legends. According to National Geographic, the breed was almost hunted to extinction in the lower 48 states of the United States. Even now, few exist outside Alaska.
Gray Wolf Fact Sheet. Size and Weight: Gray wolves are the largest canids: on average, adults have a nose-to-tail length between 4.5 and 6ft (1.4 to 1.8m), a height at the shoulder from 26 to 32 inches (66 to 81cm), and a weight measuring between 50 and 110lbs (22.7 to 50kg). The largest wolf on record weighed 175lbs (79.3kg).