Do Otters Build Dams? [No! Here's What They Do]
Do you ever wonder if otters build dams? Well, they have a unique approach to creating their homes. New research (2025) A 2025 study in The Journal of Wildlife Management measured what human disturbance costs sea otters: up to 435 kilojoules a day at busy sites, about 3 percent of their energy budget, mostly from […]

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