Reaney, Leeann; Sims, Rachel; Sims, Stephen; Jennions, Michael; Backwell, Patricia
Male fiddler crabs (Uca mjoebergi) produce highly synchronized courtship waves. Is this a cooperative behaviour because females preferentially approach groups that wave synchronously? Or is it a competitive behaviour because of female choice for males that wave first, with the resultant selection on males generating synchrony as an epiphenomenon ? To find an answer we used robotic male crabs to measure female mating preferences. We show that females do not prefer males waving in synchrony,...[Show more]
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