Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) SHIRAI Masaki and SHIMIZU Sumire and HIRATA Kazuhiko and KOBAYASHI Soh and YAMAMOTO Maki,Sexual Dimorphism in the External Measurements of Black-tailed Gulls Larus crassirostris Breeding at Northern Niigata Prefecture,Journal of Coastal Zone Studies,1349-6123,Japanese Association for Coastal Zone Studies,2022-06-30,35,1,27-32,https://cir.nii.ac.jp/crid/1390574334767304960,https://doi.org/10.57296/jaczs.35.1_27