Callander, Sophia; Jennions, Michael; Backwell, Patricia
How do females select a mate when they have mating preferences for multiple male traits? In experimental studies, female fiddler crabs (Uca mjoebergi) show a strong preference for males with larger claws and higher wave rates. In the field, there is no correlation between male claw size and observed wave rate. Here we document natural mating behaviour and show that females approach males who wave at a higher rate than nearby competitors. On average, an approached male had a significantly larger...[Show more]
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