A robot posing as a tough male crab recently challenged real crabs to a showdown during mating season — and the videos are hilarious. The robot, nicknamed "Wavy Dave," infiltrated fiddler crab (Afruca ...
The robot, nicknamed "Wavy Dave," infiltrated fiddler crab (Afruca tangeri) communities on the mudflats of southern Portugal and participated in claw-waving contests, during which males wave one ...
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