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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Scientists apparently underestimated the aggression of itty-bitty male fiddler crabs when they deployed a friendly robot version ...

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 ...