Milner, Richard; Jennions, Michael; Backwell, Patricia
How sexually selected male signals and female sensory systems have evolved so that females can continue to detect and discriminate between potential mates in the face of environmental noise and changes in signaller density has been well studied for acoustic signals. Far less is known about visual signals. We examined the influence of the local signalling environment on male signal attractiveness in the fiddler crab Uca mjoebergi. We used custom-built robotic crabs in two-stimulus mate choice...[Show more]
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