Thierry Chaurand, Henri Weimerskirch, The Regular Alternation of Short and Long Foraging Trips in the Blue Petrel Halobaena caerulea: A Previously Undescribed Strategy of Food Provisioning in a Pelagic Seabird, Journal of Animal Ecology, Vol. 63, No. 2 (Apr., 1994), pp. 275-282
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Chaurand et al. (1994) studied this question.
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