The WingsnappersBirds, hormones, and extraordinary behaviour: The story of the tiny but mighty golden collared manakin of Panama This book is the story of a remarkable bird, the golden collared manakin (Manacus vitellinus) of Panama. Males of this species perform one of the most elaborate, physically complex, and noisy courtship displays of any animal on the planet. Barney A. Schlinger delves into the specialised neurons, muscles, bones, and hormonal systems