| Nature: Yellowstone Otters: Contains information about the river otter in the park. |
| North American River Otter: Learn about the range, habitat, diet, and life cycle of these amazing otters. |
| Otter: Contains information about sea otters. Information includes habitat, diet, and physical description. |
| Otters: Provides facts about the animal, plus reasons for their decline. |
| Otters: Provides information about the different kinds of otters live in Scotland. |
| Otters: How to identify this animal, where they can be found, and conservation information. |
| Otters: Contains several pictures of these animals. |
| Otters: Contains background information, current threats, and what the World Wildlife Fund is doing. |
| Sea Otter: Includes information about the life span, habitat, size, and diet of the sea otter. |
| Tracking River Otters: Guide to enjoying river otters based on personal experiences on an island in the St. Lawrence River. |
| Wikipedia: Otter: Encyclopedia article looks at the different species of otters. |
| Wild Woods Otter: Contains information on the lifestyle and identification of this animal. |
| WildCam Otters: Indoor and outdoor views of otters in action, from National Geographic. |
Classical
