European green crabs are small, measuring just four inches across. But since they were first introduced in the 1980s, these ...

Photos and videos on social media showed an otter climbing onto a surfboard with a surfer already on it near Victoria, B.C.

West coast states are spending millions to protect their inland waterways from invasive crabs. In some places, otters are ...

Predators include humans -- otters are one of the subsistence species -- and killer whales. Bald eagles are known to hunt otter pups when other food is scarce. Biologist Jim Bodkin, who studies ...

A recent study was published in the scientific journal Biological Invasions, detailing that otters at the Elkhorn Slough are ...

Mark Woodward/Native Santa Cruz Otter 841 has been seen catching some waves Smart and wily, otters are top predators of invertebrates, foraging and eating a quarter of their own body weight in ...

But at California’s Elkhorn Slough, a reserve where about 120 southern sea otters live, the cute apex predators have led to green crabs’ demise by eating up to 120,000 of the invasive species ...

Sea otters are a rare species as humans excessively hunted them in the 18th and 19th Century. They were mainly hunted for ...

"The otters are a just super voracious predator," said Kerstin Wasson, research coordinator with the Reserve. "We calculated that the current otter population here eats somewhere between 50,000 ...