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.
There are many species of wolf. The most common is the grey or timber wolf (canis lupus) that looks a lot like a husky dog. They are found in deeply wooded forest areas north America (Canada) and russia and are tall wolves.nswer. Wolves (canis) are types of dog, the largest animal in the canine family. They are related to today's dogs and can be found many places. They are intelligent animals that have pricked ears, thick fur and dog-like builds.