From Slate:

Polar bears have made dolphins part of their diet.

For the first time, scientists have observed polar bears devouring white-beaked dolphins in the Arctic and are crediting global warming for introducing these two species to each other.

“This is the first record of this species as polar bear prey,” wrote the authors of a study that was published in the Polar Research Journal.

The scientists, who are part of the Norwegian Polar Institute, wrote that this is another instance of how “the warming of the Arctic is significantly changing the ecosystem and relations between species.”

Read the rest of the story here.