Curated OER
Too Many Otters
Second graders investigate the habitat of otters. In this animal science lesson, 2nd graders role play the job of wildlife biologists and try to manage the otter population. Students use a map to track their specific otter population.
National Geographic Kids
National Geographic Kids: Animals: River Otter
This multimedia article reveals the natural history of otters. The facts, maps, and video and audio clips are perfect resources for research.