Darwin's finches and the evolution of sexual dimorphism in body size.
D000818:Animals; D005075:Biological Evolution; D001717:Birds / Q000033:anatomy & histology* / Q000502:physiology; D001835:Body Weight; D004032:Diet; D004484:Ecuador; D004734:Energy Metabolism; D005260:Female; D008297:Male; D012098:Reproduction; D012621:Seasons; D012727:Sex Characteristics; D013045:Species Specificity; D014887:Weather