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 ...

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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 ...

Like many people around the world, animal behavior researcher Joe Wilde took up a new hobby during the COVID-19 pandemic. Wilde — a scientist with the Centre for Research in Animal Behavior (CRAB) at ...