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 ...

Credit: flickr Sea otters must consume roughly 25% of their body weight daily to sustain their high metabolism and body heat in cold waters. Their diet includes sea urchins, crabs, and other marine ...

Some coastal wolves in Alaska, U.S., have toxic levels of mercury in their bodies after shifting from a terrestrial diet of deer and moose to a marine diet heavy with sea otters, new research finds.

MONTEREY, California (KGO) — When we first met the hungry otters of Elkhorn Slough last year, they were chowing down on a species of burrowing crabs blamed for destabilizing the shoreline. Thinning ...

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 ...