McDonald, PaulOlsen, PenelopeCockburn, Andrew2015-12-131045-2249http://hdl.handle.net/1885/81931Fisher's theory predicts equal sex ratios at the end of parental care if the costs and benefits associated with raising each sex of offspring are equal. In raptors, which display various degrees of reversed sexual size dimorphism (RSD; females the largerKeywords: nestling; raptor; sex allocation; survival; Aves; Falco berigora; Raptores Avian growth rates; Avian nutrition; Nestling food requirements; Sex allocation; Sex-biased provisioning; Sexual size dimorphism200510.1093/beheco/ari0712015-12-11