In the new study, a robot crab—nicknamed Wavy Dave—waved its claw on a mudflat teeming with male fiddler crabs. The paper, ...

Wavy Dave the robot crustacean has been showing scientists how male fiddler crabs respond when they see a fellow crab waving.

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A robot crab called “Wavy Dave” has helped scientists learn about crab mating behaviours. Male fiddler crabs have one ...

A robot crab has helped scientists understand how male fiddler crabs compete over females.Male fiddler crabs have one oversized claw, and they attract ...