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1 August 2000 NOCTURNAL AND DIURNAL FORAGING ACTIVITY OF HAWAIIAN ALBATROSSES DETECTED WITH A NEW IMMERSION MONITOR
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Abstract

We used a new immersion monitor to study the foraging movements of two species of albatrosses that nest in the Hawaiian Islands. The monitors showed that breeding male Black-footed Albatrosses (Phoebastria nigripes) land on the water more frequently during the day than at night. Breeding male Laysan Albatross (Phoebastria immutabilis) behavior was more variable and also showed a diurnal bias. We found no evidence of a nocturnal foraging bias in either species; in particular, these species do not seem to be limited to live capture of nocturnally available squid. Such squid may, nonetheless, contribute to the diet as a result of scavenging.

Patricia Fernández and David J. Anderson "NOCTURNAL AND DIURNAL FORAGING ACTIVITY OF HAWAIIAN ALBATROSSES DETECTED WITH A NEW IMMERSION MONITOR," The Condor 102(3), (1 August 2000). https://doi.org/10.1650/0010-5422(2000)102[0577:NADFAO]2.0.CO;2
Received: 14 August 1999; Accepted: 1 April 2000; Published: 1 August 2000
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