About The Kuroda Award
　　Hisashi NAGATA 　　p. 87

Social factors in song learning: A review of Estrildid finch research
　　Masayo F SOMA 　　p. 89 - 100

Winter biology of the Siberian Grouse Falcipennis falcipennis
　　Alexander V ANDREEV and Franz HAFNER 　　p. 101 - 111

Seasonal decline of investment in egg production with increasing food abundance on the Great Cormorant in a riverfront colony
　　Jun-ichi TSUBOI and Akihiko ASHIZAWA 　　p. 113 - 118

Breeding biology of the Ogasawara Buzzard endemic to the Ogasawara (Bonin) Islands
　　Yuka CHIBA and Tadashi SUZUKI 　　p. 119 - 129

Morphometric analysis of the unusual feeding morphology of Oriental Honey Buzzards
　　Holly SIEVWRIGHT and Hiroyoshi HIGUCHI 　　p. 131 - 144

Swinhoe's Storm Petrels (Oceanodroma monohris) show no apparent sexual dimorphism in size and color
　　Chang-Young CHOI, Hyung-Young NAM, Jong-Gil PARK and Kyung-Gyu LEE 　　p. 145 - 149

The diet of Ryukyu Scops Owl Otus elegans interpositus owlets on Minarni-daito Island
　　Masaoki TAKAGI and Kana AKATANI 　　p. 151 - 156

Tribute to the memory of Dr Navjot Singh Sodhi 1962-2011
　　Hisashi NAGATA 　　p. 157 - 158