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.
Answer The gray wolf, also called the timber wolf or just a wolf (Canis lupus), is the largest living member of the canine family and can weigh 90-175 pounds. They can be coloured gray, brown, white, black, tan, or reddish.Wolves are social animals, and live in extended family groups often refered to as packs.nswer The gray wolf, also called the timber wolf or just a wolf (Canis lupus), is the largest living member of the canine family and can weigh 90-175 pounds. They can be coloured gray, brown, white, black, tan, or reddish.