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Article
A. Kato, Auteur ; Y. Watanuki, Auteur ; Y. Naito, AuteurFlight and diving activity of rhinoceros auklets Cerorhinca monocerata breeding on Teuri Island, Japan, were monitored during the summers 1999 and 2000 using miniaturized time-depth and acceleration recorders. Birds made 14.5 dive bouts per day [...]
Article
Y. Niizuma, Auteur ; M. Takagi, Auteur ; M. Senda, Auteur ; M. Chochi, Auteur ; Y. Watanuki, AuteurFactors determining clutch size of birds have long been the central issue in studies in life histories. It is assumed that the configuration of brood patches could limit the maximum clutch size. To test this hypothesis we manipulated clutch size[...]
Article
N. Tomita, Auteur ; M. Takagi, Auteur ; Y. Watanuki, Auteur
Article
A. Takahashi, Auteur ; M. Kuroki, Auteur ; Y. Niizuma, Auteur ; Y. Watanuki, AuteurThe effects of offspring food demand on the regulation of parental food provisioning were examined in the Rhinoceros Anklet Cerorhincha monocerata, a nocturnal single-provisioning species, by conducting mate removal and supplementary feeding exp[...]
Article
Y. Watanuki, Auteur ; F. Mehlum, Auteur ; A. Takahashi, AuteurWe describe the features of waters where seabirds were feeding by sampling vertical water temperature profiles with data loggers mounted on five Brunnich's Guillemots in Svalbard, Norway. The guillemots foraged in a cold water (-0.5-0.5 degreesC[...]
