La Tour du Valat

Institut de recherche pour la conservation des zones humides méditerranéennes

Titre :	Foraging behaviour of chick-rearing rhinoceros auklets Cerorhinca monocerata at Teuri Island, Japan, determined by acceleration-depth recording micro data loggers
Auteurs :	A. Kato, Auteur ; Y. Watanuki, Auteur ; Y. Naito, Auteur
Type de document :	Article
Dans :	Journal of Avian Biology (34(3) SEP 2003)
Article en page(s) :	282-287
Langues:	Anglais
Résumé :	Flight 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 of on average 15.4 min duration, which consisted of on average 16.2 dives of 12.1 m depth and 42.7 s duration. Birds made 13.8 +/- 7.3 flight bouts per day, which lasted on average 11.5 +/- 4.5 min. Daily total flight duration was 2.7 +/- 1.7 h (range

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