Jeppesen was seeking solutions for the havoc green crabs had caused — damaging sea grass beds in multiple states, eating small prey crucial to other species’ survival and persisting despite frequent ...

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 coastal tribe wants to return otters to their native waters off the Oregon coast, though a recent grant to expedite that ...

1993). There are a number of other well-described examples where keystone species act as determinate predators. Sea otters (i) regulate sea urchin populations, which in turn feed upon kelp and ...