Wild Things: Feathered dinosaurs, king crabs and spotted hyenas

Traveling snails, brainwashed rats and more updates from the world of wildlife

(Craig R. Smith)

Dangerous Claws

King crabs
(Craig R. Smith)
King crabs have come to the Antarctic shelf. Frigid water kept them away for millions of years, but now the region is warming up, says Craig Smith of the University of Hawaii, who observed the invaders via robotic submarine. The crabs crush sea cucumbers, sea lilies and brittle stars—fragile creatures that have little resistance to clawed predators. The scientists captured one crab: a female laden with eggs.

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