1 Canker sores are small, painful ulcers on the inside of the mouth, tongue, lips, or throat. 2  Symptoms of canker sores include small, painful, crater-like ulcers.  See a doctor if canker sores are accompanied by fever, last more than three weeks, or the affected individual has difficulty swallowing.
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.
genus canis species lupus 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 50kgthe largest wolf on record weighed 175lbs 79 3kgolves mate once a year generally in early spring pregnant females have a gestation period of about 63 days and produce litters of about 4 7 pups pups are born unable to see or hear and remain inside the den for about 4 weeks after they re born after about 10 weeks pups are weaned and become part of the pack