1. Courtship dives of Anna's hummingbird offer insights into flight performance limits;Clark;Proc. Biol. Sci.,2009
2. In vivo strains in pigeon flight feather shafts: implications for structural design;Corning;J. Exp. Biol.,1998
3. Mechanical properties of primary feathers from the pigeon;Purslow;J. Exp. Biol.,1978
4. The young's modulus of feather keratin;Bonser;J. Exp. Biol.,1995
5. Kükenthal-Zoologisches Praktikum;Storch,2014