Hermit Crabs Queue Up To Trade Shells
Biologists studying hermit crabs in a tiny island in the Caribbean Sea discovered... ...'re quite civilized! When a lone crab encountered one of the beautiful new shells, it... ...If the new shell was a good fit, the crab claime...
http://www.neatorama.com/2012/06/05/hermit-crabs-queue-up-to-trade-shells/



