Explore the bizarre world of animal appearances in this fascinating documentary. From the colorful fiddler crabs of the ...

Scientists apparently underestimated the aggression of itty-bitty male fiddler crabs when they deployed a friendly robot ...

The male fiddler crabs use their one oversized claw to attract females, waving it with a frantic energy outside their burrows ...

Wavy Dave the robot crustacean has been showing scientists how male fiddler crabs respond when they see a fellow crab waving.

In the new study, a robot crab—nicknamed Wavy Dave—waved its claw on a mudflat teeming with male fiddler crabs. The paper, ...

Male fiddler crabs have one oversized claw, which they use to attract females by standing outside their burrow and waving.

Between May and July 2022, Wilde and his team created “Wavy Dave,” an artificial fiddler crab with a robotic claw that could wave back and forth. It was placed in the Ria Formosa Natural Park in the ...

Fiddler crabs are territorial and live in burrows. The researchers gathered crabs from distant parts of the mud flats and tethered them near new, occupied burrows.

The video shows many male fiddler crabs moving in harmony, waving their bright yellow claws. They do so attract female crabs. Watch the video here: The video was retweeted by IFS officer Sudha Ramen.

Fiddler crabs are territorial and live in burrows. The researchers gathered crabs from distant parts of the mud flats and tethered them near new, occupied burrows.

Besides being entertaining to watch, fiddler crabs are an important component in our ecosystem. According to Zeil, Hemmi, and Backwell in Current Biology Volume 16, Number 2, these are the most ...