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Article
Egg camouflage has been found to reduce predation in several ground-nesting species. Therefore, the evolution of eggs that lack camouflage in ground nesting birds is puzzling. Even though clutch predation in the tropics is high, tinamous are the[...]
Article
Branislav Igic, Auteur ; Mark E. Hauber, Auteur ; Josic A. Galbraith, Auteur ; Tomáš Grim, Auteur ; Donald C. Dearborn, Auteur ; Patricia L. R. Brennan, Auteur ; Csaba Moskát, Auteur ; Pankaj K. Choudhary, Auteur ; Phillip Cassey, AuteurThe study of avian eggshell structure, including composition, pigmentation, thickness, and strength, has important ecological and economic implications. Previous investigators have used a variety of techniques to derive either direct measures or[...]
Article
Patricia L. R. Brennan, Auteur ; Tim R. Birkhead, Auteur ; Kristof Zyskowski, Auteur ; Jessica van der Waag, Auteur ; Richard O. Prum, AuteurDespite a long history of anatomical studies in birds, the genitalia of most avian species remain undescribed. Birds are the only vertebrate taxon with internal fertilization where an intromittent phallus has been lost in most species. Studying [...]
