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.
Coyote. Introduction: The Coyote (Canis latrans) is a smaller canid cousin of the wolf, and it the most abundant canid species in the entire United States. Physical Characteristics: Height: 15-20 in (shoulder height). Length: 3-5 ft (nose to tail). Weight: 15-40 lbs.oyote. Introduction: The Coyote (Canis latrans) is a smaller canid cousin of the wolf, and it the most abundant canid species in the entire United States. Physical Characteristics: Height: 15-20 in (shoulder height). Length: 3-5 ft (nose to tail). Weight: 15-40 lbs.