Sex ratio and sex-specific chick mortality in a species with moderate sexual size dimorphism and female brood desertion - Whiskered Tern Chlidonias hybrida

The data refers to publication in the Journal of Ornithology. Data refers to HSR (Hatching Sex Ratio) and FSR (Fledging Sex Ratio) in the Whiskered Tern Chlidonias hybrida (Upper Vistula Valley, Poland) obtained by the Whiskered Tern Reseacrch Team ([e-mail]).