Male fiddler crabs are lopsided, with one claw that seems about the right size and one very large claw. As you might expect, one function of the larger claw is to attract females. The males drum with ...

Add Yahoo as a preferred source to see more of our stories on Google. Male fiddler crabs are small, with one oversized claw. David S. Johnson A decade ago, I stood on the muddy banks of the Great ...

A parade of mangroves and now, crabs, are heading north. Atlantic mangrove fiddler crabs have been found nearly 200 miles further from their historic northern limit in Jacksonville, Fla., according to ...

A species of fiddler crab that lives in Florida’s mangrove forests has moved into South Carolina salt marshes. It’s not the ...

This story was originally produced by the New Hampshire Bulletin, an independent local newsroom that allows NHPR and other outlets to republish its reporting. David Johnson had been working in the ...

Fiddler crabs are renowned for their elaborate courtship displays, which involve both visual and vibrational signals that play crucial roles in mate attraction and intraspecific communication. Males ...

Add Yahoo as a preferred source to see more of our stories on Google. Male fiddler crabs are small, with one oversized claw. David S. Johnson Nine years ago, I stood on the muddy banks of the Great ...

The crabs are part of a larger poleward migration of tropical species driven by warming ocean temperatures. While associated with mangroves, the crabs have expanded beyond the trees' new range into ...

A decade ago, I stood on the muddy banks of the Great Marsh, a salt marsh an hour north of Boston, and pulled a thumb-sized crab with an absurdly large claw out of a burrow. I was looking at a fiddler ...