Hempfield photographer Kyle Rose enjoyed a double dose of excitement on the Fourth of July. On a trip to the Ligonier area ...

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 ...

Giant river otters (Pteronura brasiliensis) can be seen in the Napo River basin, where they hunt for fish in the midst of the flooded forest. These endangered mammals are the largest otters in the ...

Most Texans have never seen a wild river otter, and they are the poorer for it. Even those who spend a lot of time outdoors rarely catch a glimpse of these sleek, secretive, amazingly animated aquatic ...