Figure 1
From: Common cuckoo females may escape male sexual harassment by color polymorphism
Experimental set-up and cuckoo responses. (a) Experimental set-up and images of decoys used in the experiment. The gray quadrangle in the middle represents a speaker with an embedded mp3 player. See the text for details. (b~e) Types of cuckoo responses. In response to the experiment, cuckoos either perched on the bar (b), touched a decoy (c), or attempted to copulate with decoys: with a rufous morph (d) and with a gray morph (e).
