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Article
M. Ueta, AuteurI studied costs of nest defense in Azure-winged Magpies Cyanopica cyana in Tokyo, Japan in 1994 and 1995. I compared time devoted to nest defense, frequency of nestling feeding, and number of fledglings of magpies breeding near nests of Japanese[...]
Article
Y. Kanai, Auteur ; M. Nagendran, Auteur ; M. Ueta, Auteur ; Y. Markin, Auteur ; J. Rinne, Auteur ; A. G. Sorokin, Auteur ; H. Higuchi, Auteur ; G. W. Archibald, AuteurSiberian Crane Grus leucogeranus occurs only in Asia, and is Critically Endangered. The western population of the species has been almost extirpated, wintering at just two known sites, in Iran and India. To help conserve species that migrate lon[...]
Article
M. Ueta, Auteur ; V. V. Ryabtsev, AuteurFrom 1950 to 1999 there was a substantial decrease in the number of Imperial Eagles Aquila heliaca breeding in the Baikal region of eastern Russia, but there have been no apparent changes in habitat or breeding success within this region. Identi[...]
