North American river otters can grow to four feet long from tip to tail. The phrase “this place is a pigsty” might need to be replaced with “this place is an otter latrine.” Particularly the busy ...

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 ...

North American river otters have lived for a long time in Chesapeake Bay, yet relatively little is known about how their surroundings impact them. So what does daily life for river otters on the ...

North American river otters have terrible hygiene when it comes to their food. They eat, play and defecate in the same place. But their unhealthy habits make them ideal for detecting future health ...

Turns out you can learn a lot from the moment duty calls for one of the Chesapeake Bay’s cutest, furriest apex predators. In today’s episode of “Matt About Town,” we’re highlighting an ongoing study ...

The appearance of otters near the Cuyahoga River in Kent is seen as a bellwether of the river's overall health. 🦦 ...

Research involving North American river otters based at Monroe County’s Seneca Park Zoo has concluded the fascinating animals can visually discriminate between two-dimensional objects and detect ...

You might think river otters would be deathly afraid of alligators. After all, alligators do prey on otters. However, would you believe that sometimes it’s the other way around? A video taken in ...