The physiological ecology of seabirds: Introduction
　　Kentaro KAZAMA and Yasuaki NIIZUMA 　　p. 1 - 2

Does corticosterone affect diving behaviour of male Adélie Penguins? A preliminary experimental study
　　Manuelle COTTIN, Akiko KATO, Anne-Mathilde THIERRY, Yvon LE MAHO, Thierry RACLOT and Yan ROPERT-COUDERT 　　p. 3 - 11

Teststerone and breeding bahavior in male Black-tailed Gulls: an implant experiment
　　Kentaro KAZAMA, Kentaro Q. SAKAMOTO, Yasuaki NIIZUMA and Yutaka WATANUKI 　　p. 13 - 19

Within- and among-clutch variation in maternal yolk testosterone level in the Black-tailed Gulls Larus crassirostris
　　Naoki TOMITA, Kentaro KAZAMA, Hidetsugu SAKAI, Megumi SATO, Atsushi SAITO, Masaoki TAKAGI and Yasuaki NIIZUMA 　　p. 21 - 25

Oxygen store and diving capacity of Rhinoceros Auklet Cerorhinca monocerata
　　Maki YAMAMOTO, Akiko KATO, Yasuaki NIIZUMA, Yutaka WATANUKI and Yasuhiko NAITO 　　p. 27 - 34

Relationship between body water and lipid in three seabird species: Leach's Storm-Petrel, Rhinoceros Auklet and Black-tailed Gull
　　Yasuaki Niizuma 　　p. 35 - 38

Differential assimilation efficiency of prey and growth of Short-tailed Shearwater chicks
　　Nariko OKA 　　p. 39 - 50

Seasonal shifts in foraging site and prey of Grey-faced Buzzards (Butastur indicus), breeding in Satoyama habitat of central Japan
　　Sumire SAKAI, Noriyuki YAMAGUCHI, Hiroshi MOMOSE and Hiroyoshi HIGUCHI 　　p. 51 - 60

Collision risk of White-fronted Geese with wind turbines
　　Hiroshi SUGIMOTO and Hiroyuki MATSUDA 　　p. 61 - 71

Male traits and female choice in Java Sparrows: preference for large body size
　　Ai HASEGAWA, Masayo SOMA and Toshikazu HASEGAWA 　　p. 73 - 80

Male traits and female choice in Java Sparrows: preference for large body size
　　Ai HASEGAWA, Masayo SOMA and Toshikazu HASEGAWA 　　p. 73 - 80