Biologists and ecologists have long wished to gather high-quality data on exactly what the animals they study are eating, but how can such observations be made without disturbing the natural patterns ...

In today’s episode of “Matt About Town,” we’re highlighting an ongoing study being conducted at the Smithsonian Environmental ...

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 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 ...

FOREST KNOLLS, Calif. -- River otters used to be in almost every creek in the Bay Area, but they were driven out decades ago by water pollution, hunting, and the loss of wetland habitat. Now, thanks ...