One of the most remarkable of nature's living clocks belongs to the fiddler crab, that familiar beach-dweller with the overgrown claw.
Too often people sat stolidly watching the noisy little fiddler.
He knew the fiddler would always rather stay a slave in Virginia than go to Africa a free man.
But when an enterprising scientist placed a fiddler crab in darkness, he was amazed to find that the color of the crab's shell kept ticking off the time with the same accuracy.
Well-known crabs include the hermit crab, edible crab (Britain and Europe), blue crab, Dungeness crab, fiddler crab, and king crab.
That night, the man was as drunk as a fiddler and even lost his way home.
The fiddler crab has an asymmetric build: one pincer is much larger than the other.
Beside himself with happiness, the fiddler sat on Kunta's three-legged stool, fiddle across his lap, and went on babbling.
We were now getting into the big glass-roofed terminus, and the fiddler put away his old blacking-box and held out his hat for a copper, and then opened the door and was gone.
This is one of the reasons why some males birds have exotic plumes, why elk carry hefty antlers , and why male fiddler crabs have such large claws.
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