Diurnal, intraseasonal, and intersexual variation in foraging behavior of the Common Yellowthroat

Article Abstract:

Common Yellowthroats on the central California coast vary their foraging behavior independently, in response to diurnal and intraseasonal timing. They select arroyo willow at both, within 10 m and over the entire area of availability, during all diurnal and seasonal periods. Foraging methods of the birds change intraseasonally, but are independent of the diurnal period. Male Yellowthroats forage at greater heights, use flycatching methods more often, and are better adapted morphologically and behaviorally.

Analysis, California, Observations, Circadian rhythms, Sex differences, Food supply, Seasonal variations (Economics), Forage plants, Forage

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Provisioning rate and attendance patterns of Wandering Albatrosses at Bird Island, South Georgia

Article Abstract:

Research describing the foraging behaviour of Wandering Albatrosses (Diomedea exulans) in their South Georgia breeding grounds is presented. In particular sex specific and seasonal foraging during chick rearing are examined.

Research, Case studies, Ornithological research, South Georgia Island

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Nocturnal and diurnal foraging activity of Hawaiian Albatrosses detected with a new immersion monitor

Article Abstract:

Research is presented concerning the foraging behaviour of the Laysan Albatross and the Black-footed Albatross. The use of immersion monitors to study the feeding habits of the birds is discussed.

Food and nutrition, Nocturnal animals

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