Wavy Dave the robot crustacean has been showing scientists how male fiddler crabs respond when they see a fellow crab waving. Famous for their enormous claws, the team made Wavy Dave blend in by giving him a huge claw of his own,

Researchers have built a robot crab that can compete in claw-waving displays with real fiddler crabs, but "Wavy Dave" doesn't always come out unscathed.

Male fiddler crabs have one oversized claw, which they use to attract females by standing outside their burrow and waving. The post Scientists use robot crab ‘Wavy Dave’ to study fiddler crab mating appeared first on Talker.