Sex-specific functions of duetting in the Galapagos Yellow Warbler (Setophaga petechia aureola)
Alper Yelimlieş, Çağlar Akçay, Sonia Kleindorfer
The paper examines the structure and functions of duets in Galapagos Yellow Warblers, finding that females predominantly initiate and coordinate call answers, while male replies are less frequent and less coordinated.