La Tour du Valat

Institut de recherche pour la conservation des zones humides méditerranéennes

Titre :	Incubation failure and nest abandonment by Leach's Storm-Petrels detected using PIT tags and temperature loggers
Auteurs :	Jennifer L. Zangmeister, Auteur ; Mark F. Haussmann, Auteur ; Jack Cerchiara, Auteur ; Robert A. Mauck, Auteur
Type de document :	Article
Dans :	Journal of Field Ornithology (80(4) DEC 2009)
Article en page(s) :	373-379
Langues:	Anglais
Résumé :	The nocturnal activity of burrow-nesting seabirds, such as storm-petrels and shearwaters, makes it difficult to study their incubation behavior. In particular, little is known about possible differences in the incubation behavior of adults at successful and unsuccessful nests. We combined the use of passive integrated transponder (PIT) technology and nest-temperature data loggers to monitor the incubation behavior of 10 pairs of Leach's Storm-Petrels (Oceanodroma leucorhoa). The mean incubation bout length was 3.31 +/- 0.59 (SD) days for individual adults at successful nests (N = 4) and 1.84 +/- 1.16 d for individuals at unsuccessful nests (N = 6). Mean bout length for pairs in successful burrows (3.51 +/- 0.56 d) did not differ significantly (P = 0.07) from that for pairs in unsuccessful burrows (1.80 +/- 1.20 d), perhaps due to one failed nest with a high mean bout length (4.15 d). The total number of incubation bouts per parent (4.3 +/- 1.9 bouts) did not differ with hatching success. Adults whose nests failed repeatedly exhibited truncated incubation bouts (

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