Extreme endurance flights by landbirds crossing the Pacific Ocean: ecological corridor rather than barrier?

DOI Web Site Web Site 被引用文献5件
  • Robert E Gill
    USGS Alaska Science Center4210 University Drive, Anchorage, AK 99508, USA
  • T. Lee Tibbitts
    USGS Alaska Science Center4210 University Drive, Anchorage, AK 99508, USA
  • David C Douglas
    USGS Alaska Science Center3100 National Park Road, Juneau, AK 99801, USA
  • Colleen M Handel
    USGS Alaska Science Center4210 University Drive, Anchorage, AK 99508, USA
  • Daniel M Mulcahy
    USGS Alaska Science Center4210 University Drive, Anchorage, AK 99508, USA
  • Jon C Gottschalck
    Climate Prediction Center, NOAA5200 Auth Road, Camp Springs, MD 20746, USA
  • Nils Warnock
    PRBO Conservation Science3820 Cypress Drive, Petaluma, CA 94954, USA
  • Brian J McCaffery
    US Fish and Wildlife Service, Yukon Delta National Wildlife RefugePO Box 346, Bethel, AK 99559, USA
  • Philip F Battley
    School of Biological Sciences, University of Auckland1142 Auckland, New Zealand
  • Theunis Piersma
    Royal Netherlands Institute for Sea Research (NIOZ), Texel, and Animal Ecology Group, Centre for Ecological and Evolutionary Studies, University of Groningen9750 AA Haren, The Netherlands

書誌事項

公開日
2008-10-29
権利情報
  • https://royalsociety.org/journals/ethics-policies/data-sharing-mining/
DOI
  • 10.1098/rspb.2008.1142
公開者
The Royal Society

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説明

<jats:p>Mountain ranges, deserts, ice fields and oceans generally act as barriers to the movement of land-dependent animals, often profoundly shaping migration routes. We used satellite telemetry to track the southward flights of bar-tailed godwits (<jats:italic>Limosa lapponica baueri</jats:italic>), shorebirds whose breeding and non-breeding areas are separated by the vast central Pacific Ocean. Seven females with surgically implanted transmitters flew non-stop 8117–11 680 km (10 153±1043 s.d.) directly across the Pacific Ocean; two males with external transmitters flew non-stop along the same corridor for 7008–7390 km. Flight duration ranged from 6.0 to 9.4 days (7.8±1.3 s.d.) for birds with implants and 5.0 to 6.6 days for birds with externally attached transmitters. These extraordinary non-stop flights establish new extremes for avian flight performance, have profound implications for understanding the physiological capabilities of vertebrates and how birds navigate, and challenge current physiological paradigms on topics such as sleep, dehydration and phenotypic flexibility. Predicted changes in climatic systems may affect survival rates if weather conditions at their departure hub or along the migration corridor should change. We propose that this transoceanic route may function as an ecological corridor rather than a barrier, providing a wind-assisted passage relatively free of pathogens and predators.</jats:p>

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