Scientists apparently underestimated the aggression of itty-bitty male fiddler crabs when they deployed a friendly robot ...

Researchers test fiddler crab mating strategies by introducing a robot with a waving claw, dubbed “Wavy Dave.” CNN speaks to ...

Researchers test fiddler crab mating strategies by introducing a robot with a waving claw, dubbed “Wavy Dave.” CNN speaks to one of the scientists about the study and some surprising moments caught on ...

Wilde — a scientist with the Centre for Research in Animal Behavior (CRAB) at the University of Exeter at the time — spent his time learning about 3D printing. The researcher was looking at freely ...

The robot fiddler crab was placed in an area where real male crabs could see and interact with the robot.

Anyone who ever met Wavy Dave and lived to tell the tale—which is, in point of fact, everyone who has ever met Wavy Dave—would tell you about his claw. It was big, that’s for certain, but this was not ...

Male fiddler crabs have one oversized claw, which they use to attract females by standing outside their burrow and waving.