Size Selective Hunting by Slaty-backed Gulls Larus schistisagus and Influence on Fledging Success of Black-tailed Gulls L. crassirostris

Yutaka Watanuki
1982 Journal of the Yamashina Institute for Ornithology  
1) The influence of predation by Slaty-backed Gulls Larus schistisagus on the fledging success of Black-tailed Gulls L. crassirostris was studied on Teuri Island off Haboro, Hokkaido, in 1980 and 1981. (2) Four quadrats were set in the breeding colony Gull on the chicks of the Black-tailed Gull. The influence of predation on fledging
doi:10.3312/jyio1952.14.25 fatcat:y35m77asgjby7khb6efcuhemcm