BehaviorFeathers
Black Sicklebill: The Thin Blue Line
video 2:51
EvolutionFeathers
Magnificent Riflebird: Directional Color
video 1:49
Feathers
Iridescence: and the Birds-of-Paradise
video 1:25
AnatomyFeathers
Color: and the Birds-of-Paradise
video 6:40
Feathers
Brilliant Iridescent Throat Plumes of the Bumblebee Hummingbird