Communication in river otters

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Explores the function of scent-marking at otter latrines by radio-tagged coastal river otters (Lontra canadensis) in Prince William Sound, Alaska using aerial telemetry over a period of four years. Data on fish densities and marine habitat features were concurrently obtained from scuba transects and aerial surveys in order to determine any association between fish abundance and river otter location, habitat type, and behavior. The results show fish densities only influenced the counts of social otters but old-growth forest was identified as an important habitat variable for both social and solitary otters.