Migration routes and breeding sites of Rooks wintering in the Hachiro-gata polder, northern Japan

TAKAGI, K., TOKITA, K., HIRAOKA, E. N., UCHIDA, K., TSUTSUMI, A., HIJIKATA, N., … HIGUCHI, H. (2014). Migration routes and breeding sites of Rooks wintering in the Hachiro-gata polder, northern Japan. Japanese Journal of Ornithology, 63(2), 317–322. https://doi.org/10.3838/jjo.63.317