? Synchronous waving by male Fiddler crabs. Waving in done in unison to display fitness & size. It has been found that males which are chosen by females had higher wave rates than non - chosen males.

? Synchronous waving by male Fiddler crabs. Waving in done in unison to display fitness & size. It has been found that males which are chosen by females had higher wave rates than non - chosen males.