Evolution. The Rosetta Stone ; Heat shields, gliders, and insect scoops ; The Yixian Formation ; How to catch a muttonbird
Fluff. Keeping warm ; Staying cool
Flight. Ground-up or tree-down? ; A feathered hammer ; The perfect airfoil
Fancy. The birds of paradise ; A feather in her cap ; Give us those nice bright colors
Function. Of murres and muddlers; The mighty Penna ; The featherless head
Appendix A. An illustrated guide to feathers
Appendix B. Feathers and conservation.
