Gray wolves are hunting sea otters. Scientists are studying how land predators adapt to ocean hunting and what this means for ecosystems.

There were four of us. Right after sunrise we had done an almost unbelievable thing. Within the space of a minute, we had killed four good moose, no farther than rifle range from our tents. We were ...

ISLE ROYALE — Researchers counted 30 wolves and an estimated 840 moose on Lake Superior’s largest island last winter, with both predator and prey down a bit from last year but signifying that both ...