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

A robot crab called "Wavy Dave" has helped scientists learn about crab mating behaviors. Male fiddler crabs have one oversized claw, which they use to attract females by standing outside their burrow ...

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A robot crab has helped scientists understand how male fiddler crabs compete over females. Subscribe to our newsletter for the latest sci-tech news updates. Male fiddler crabs have one oversized claw, ...