Ecologists have long observed that when food becomes scarce, animal populations exploit a wider range of food sources. So scientists studying southern sea otters at different sites in California’s ...

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 ...

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 ...

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 ...

1. Otter ecology and its background -- 2. Pen pictures. Thirteen otters of the world : some natural history -- Europe -- Common or Eurasian otter, Lutra lutra -- North America -- River otter, or 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 ...

Join Micayla from the Lake Superior Zoo as she preps meals for the otters! Get a behind-the-scenes.. Join Micayla from the Lake Superior Zoo as she preps meals for the otters! Get a behind-the-scenes ...

The sea otter’s grooming regimen will be familiar to anyone with a cat. Like cats, sea otters spend considerable time licking and biting their fur to keep it clean and conditioned. Also like cats, ...

Along a remote stretch of the Alaskan coast, gray wolves have quietly rewritten the rules of what a top land predator eats. Packs that once relied on deer are now regularly killing sea otters in the ...