Some effects of inclement weather conditions on the survival and condition of bull-headed shrike nestlings Extrapair Fertilization in Monogamous Bull-Headed Shrikes Revealed by DNA Fingerprinting Seasonal change in egg-volume variation within a clutch in the Bull-headed Shrike, Lanius bucephalus Different effects of age on reproductive performance in relation to breeding stage in Bull-headed Shrikes Philopatry and Habitat Selection in Bull-Headed and Brown Shrikes (Filopatría y selección de hábitat por Lanius bucephalus y L. c... Predation risk of eggs and nestlings relative to nest-site characteristics of the Bull-headed Shrike Lanius bucephalus. Nest-Site Characteristics Affect Probability of Nest Predation of Bull-Headed Shrikes Some avian morphological traits: age‐related morphological difference of the Bull‐headed Shrike Lanius bucephalus Function of courtship feeding in the Bull-headed Shrike, Lanius bucephalus Seasonal Change in Nest Site and Nest Success of Bull-headed Shrikes