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We compared these data with data on body composition of godwits of the smaller lapponica subspecies obtained during a northward stopover in The Netherlands. As a consequence of high amounts of subcutaneous and intraperitoneal fat, and very small fat-free mass, Bar-tailed Godwits from Alaska had relative fat loads that are among the highest ever recorded in birds (ca. 55% of fresh body mass). Compared with northbound godwits from New Zealand, the Alaskan birds had very small gizzards, livers, kidneys, and guts. This suggests that upon departure, long-distance migrants dispense with parts of their \"metabolic machinery\" that are not directly necessary during flight, and rebuild these organs upon arrival at the migratory destination.", "description": "8 p.", "publisher": { "@type": "Organization", "name": "American Ornithological Society" }, "author": [ { "@type": "Person", "name": "Gill, Robert E. 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