This story appears in the February 2013 issue of National Geographic magazine. I am hunting otters with Charlie, the two of us in wet suits, our bodies submerged, level with the sea. The tankers ...

What do otters eat? Otters are carnivores, so their diets primarily consist of meat. What type of meat depends on what's available. Most otters will eat crustaceans and fish, acco ...

This story appears in the October 2015 issue of National Geographic magazine ... sustaining an extraordinary abundance of life in the sea—whales, seabirds, salmon, sea lions, seals—and ...

But to her surprise, Jeppesen learned there was a much simpler way to remove the crabs in the slough she studied: furry and hungry sea otters. Sea otters are rare in most ecosystems after they ...

At Elkhorn Slough National Estuarine Research Reserve, a newly-reinvigorated population of native southern sea otters has eaten so many invasive European green crabs that researchers say the ...