By Alexandria Webb Grand Rapids Community College recently unveiled its new mascot –  an otter also known as the River Raider ...

CC0 Usage Conditions ApplyClick for more information. It takes a special breed of animal to handle the Michigan winter–and the river otter is better prepared than most. But preparation is half the ...

Otis, a 20-year-old North American river otter, died unexpectedly at Zoo New York in Watertown on Friday. Necropsy results ...

North American river otters eat, play and defecate in the same place. And their unhealthy habits make them ideal for detecting future health threats in the environment. Kristen Goodhue A North ...

Three North American river otters play in the snow on the docks of the Smithsonian Environmental Research Center. Detected with SERC’s night-vision wildlife cameras. North American river otters have ...

I’m sure you could guess the most prevalent difference between river otters and sea otters. Yes, one species lives in freshwater, while the other lives in marine environments. But did you know that ...

I was on the banks of the Clearwater River, holding a spey rod. In the river, maybe 20 feet away and staring me down with their beady little eyes, were three river otters. Somebody was going to have ...

A North American river otter (Lontra canadensis) wanders through a forest at the Smithsonian Environmental Research Center. Credit: Calli Wise, Smithsonian Environmental Research Center YouTube video: ...