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Lesser kestrels of the same colony do not overwinter together

Current Zoology 2024年第4期70卷 505-512页

作者： Jorge Garcia-Macia Munir Chaouni Sara Morollon Javier Bustamante Lina Lopez-Ricaurte Juan Martinez-Dalmau Beatriz Rodriguez-Moreno Vicente Urios Grupo de Investigacion Zoologia de Vertebrados Universidad de AlicanteApdo.99E-03080 AlicanteSpain Department of Wetland Ecology Estacion Biologica de Donana(CSIC)C/Americo Vespucio 2641092SevillaSpain GREFA C/MontedelPilarS/NE-28220MajadahondaMadridSpain

migratory connectivity describes the linkage between breeding and nonbreeding sites,having major ecological implications in birds:1 season influence the success of an individual or a population in the following *** studies on migratory connectivity have used large-scale approaches,often considering regional populations,but fine-scale studies are also necessary to understand colony *** lesser kestrel Falco naumanni,an insectivorous migratory raptor which form colonies during the breeding period,was considered to have strong connectivity based on regional ***,no small-scale studies on migratory connectivity have been ***,we GPS(Global Positioning System)-tracked 40 adult lesser kestrels from 15 different Spanish breeding colonies,estimating the overlap index between home ranges and the distance between their *** was found that lesser kestrels from the same breeding colony placed their nonbreeding areas at 347±281 km(mean±standard deviation)away from each other(range=23-990),and their home ranges over-lapped by 38.4±23.6%.No differences between intra-colony and inter-colony metrics were found,which suggests that lesser kestrels from the same breeding cluster do not overwinter together,but they spread out and mixed independently of the colony belonging throughout the nonbreeding range of the ***,this study highlights the importance of performing connectivity studies using fine-scale approaches.

关键词： Falco naumanni GPS telemetry migratory connectivity nonbreeding raptor spatial ecology wintering.

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Detecting the non-breeding region and migration route of Whimbrels(Numenius phaeopus rogachevae)in the East Asian–Australasian Flyway

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Avian Research 2022年第1期13卷 72-77页

作者： Fenliang Kuang Wei Wu David Li Chris J.Hassell Grace Maglio Kar-Sin K.Leung Jonathan T.Coleman Chuyu Cheng Pavel S.Tomkovich Zhijun Ma Ministry of Education Key Laboratory for Biodiversity Science and Ecological Engineering National Observations and Research Station for Wetland Ecosystems of the Yangtze EstuaryInstitute of Eco-ChongmingSchool of Life SciencesFudan UniversityShanghai200433China School of Resources Environment and Chemistry Chuxiong Normal UniversityChuxiongYunnan675000China Shanghai Chongming Dongtan National Nature Reserve Shanghai202183China National Parks Board Singapore718925Singapore Global Flyway Network PO Box 3089BroomeWA6725Australia Australasian Wader Studies Group BroomeWA6725Australia Hong Kong Waterbirds Ringing Group Hong Kong999077China Queensland Wader Study Group 22 Parker StreetShailer ParkQLD4128Australia Zoological Museum Lomonosov Moscow State UniversityBolshaya Nikitskaya Str.2Moscow125009Russia

Determining the migration routes and connections of migratory birds at the population level helps clarify intraspecific differences in *** subspecies have been recognized in the Whimbrel(Numenius phaeopus)in *** is the most recently described *** breeds in Central Siberia,while its non-breeding region and migration routes are still *** tracked the migration of Eurasian Whimbrels captured at three non-breeding sites(Moreton Bay in east coast of Australia,Roebuck Bay in Northwest Australia and Sungei Buloh Wetland in Singapore)and two migration stopover sites(Chongming Dongtan and Mai Po Wetland in China).We determined the breeding sites and inferred the subspecies of the tagged birds in the East Asian–Australasian Flyway(EAAF)based on the known breeding distribution of each *** the 30 tagged birds,6 and 21 birds bred in the breeding range of *** and variegatus,respectively;one bred in the presumed transition area between the breeding range of *** and rogachevae,and two bred in the region between the breeding range of *** and *** birds that bred in the *** breeding range spent their non-breeding season in the northern Sumatra,Singapore,East Java and Northwest Australia and mainly stopped over along China's coasts during *** of our birds bred in the exclusive breeding range of the phaeopus *** studies have predicted that rogachevae whimbrels migrate along the Central Asian Flyway and spend the non-breeding season in West India and East *** found that at least some rogachevae whimbrels migrate along the EAAF and spend the non-breeding season in Southeast Asia and *** *** is at best sparsely distributed in the EAAF in the west region,or possibly does not occur at all.

关键词： migratory connectivity Non-breeding area Numenius phaeopus Satellite tracking Stopover site Subspecies

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