Altuchov Alexey V. RussiaКамчатка Laboratory of Vertebrate Ecology, Kamchatka Branch of Pacific Institute of Geography, Kamchatka yugodyashcheva@yandex.ru Author's articles Steller Sea Lion (Eumetopias Jubatus Shreder 1776) Female Mating Behavior on Kozlova Cape Rookery (Kamchatka Peninsula)