While cruising the Texas coast this week during my Beachcombing survey, I came across one of the most entertaining — and ecologically important — residents of our shoreline: the fiddler crab. Easily ...

Scientists apparently underestimated the aggression of itty-bitty male fiddler crabs when they deployed a friendly robot version during mating season. In a paper published in the journal Proceedings ...

Scientists apparently underestimated the aggression of itty-bitty male fiddler crabs when they deployed a friendly robot version during mating season. In a paper published in the journal Proceedings ...

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 ...

Fiddler crabs use their large claws to wave down females and didn’t take kindly to a robot newcomer in Portugal. Joe A. Wilde Like many people around the world, animal behavior researcher Joe Wilde ...

The robot fiddler crab was placed in an area where real male crabs could see and interact with the robot. Donald Trump's executive order changing 401(k)s: What to know FBI fires three senior officials ...

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On a summer tide-flat in southern Portugal, a 3D-printed intruder called Wavy Dave poked his single oversized claw above the mud and began to wave. Wavy Dave is not a real fiddler crab; he is a ...

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 ...