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Wanderer of the deepest seas : Migratory behaviour and distribution of the highly pelagic Bulwer’s petrel

2015Journal article Open access
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dc.contributor.authorDias, Maria P.
dc.contributor.authorAlho, Maria
dc.contributor.authorGranadeiro, José Pedro
dc.contributor.authorCatry, Paulo
dc.date.accessioned2015-09-26T10:17:44Z
dc.date.available2015-09-26T10:17:44Z
dc.date.issued2015
dc.description.abstractSmall-sized nocturnal Procellariiformes are abundant predators in oceanic areas worldwide and are thought to play an important role in many marine food webs as consumers of superabundant mesopelagic prey. However, the spatial ecology and foraging behaviour of the great majority of these species remain largely unknown. We studied the non-breeding distribution and at-sea activity of a migratory small-sized Procellariiform, the Bulwer’s petrels Bulweria bulwerii, from the Selvagem Island colony (subtropical Northeast Atlantic). We found that soon after breeding Bulwer’s petrels migrate towards deep (mean depth of 4416 m), open oceanic waters of the tropical Atlantic, spending the winter far from shelf and shelf-break areas, on regions avoided by most other avian migrants in the Atlantic. When at sea, Bulwer’s petrels spent more time flying during the night ([90 %, all year round) than any other seabird studied so far. This nighttime activity was not influenced by the lunar cycle, suggesting that this highly specialised nocturnal seabird is probably very well adapted to locating and capturing prey even in very dark conditions. The results from the present study may have important implications for the identification of important bird areas in the marine realm, whose boundaries have been delineated so far mostly on the basis of the distribution and behaviour of better studied medium- to large-sized seabirds.pt_PT
dc.description.sponsorshipFundação para a Ciência e a Tecnologia (FCT)pt_PT
dc.identifier10.1007/s10336-015-1210-9
dc.identifier.citationJournal of Ornithology, 156, 955-962pt_PT
dc.identifier.doi10.1007/s10336-015-1210-9
dc.identifier.issn0021-8375
dc.identifier.urihttp://hdl.handle.net/10400.12/3965
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherSpringerpt_PT
dc.relationForaging ecology, movements and abundance of an avian predator of mesopelagic prey: new and deeper insights using novel techniques and ideas
dc.relationStrategic Project - UI 331 - 2011-2012
dc.relationMIGRATION PATTERNS AND WINTER DISTRIBUTION OF CORYS SHEARWATER CALONECTRIS DIOMEDEA: THE IMPORTANCE OF SEA SURFACE TEMPERATURE, BREEDING SUCCESS AND BODY CONDITION
dc.subjectAt-sea activitypt_PT
dc.subjectBulwer’s petrelspt_PT
dc.subjectMigrationpt_PT
dc.subjectProcellariiformespt_PT
dc.subjectSeabirdspt_PT
dc.titleWanderer of the deepest seas : Migratory behaviour and distribution of the highly pelagic Bulwer’s petrelpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleForaging ecology, movements and abundance of an avian predator of mesopelagic prey: new and deeper insights using novel techniques and ideas
oaire.awardTitleStrategic Project - UI 331 - 2011-2012
oaire.awardTitleMIGRATION PATTERNS AND WINTER DISTRIBUTION OF CORYS SHEARWATER CALONECTRIS DIOMEDEA: THE IMPORTANCE OF SEA SURFACE TEMPERATURE, BREEDING SUCCESS AND BODY CONDITION
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/3599-PPCDT/PTDC%2FMAR%2F121071%2F2010/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/PEst-OE%2FMAR%2FUI0331%2F2011/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/PIDDAC/SFRH%2FBPD%2F46827%2F2008/PT
oaire.citation.conferencePlaceNew Yorkpt_PT
oaire.citation.endPage962pt_PT
oaire.citation.startPage955pt_PT
oaire.citation.titleJournal of Ornithologypt_PT
oaire.citation.volume156pt_PT
oaire.fundingStream3599-PPCDT
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStreamPIDDAC
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsrestrictedAccesspt_PT
rcaap.typearticlept_PT
relation.isProjectOfPublication7f9aefbf-e812-499a-b397-fbd39d33b166
relation.isProjectOfPublication96890d2c-1aa4-4408-9eb9-d0f1e6bcac32
relation.isProjectOfPublicationa27a463d-c77e-45c5-9fe2-e5f6cc414a51
relation.isProjectOfPublication.latestForDiscoverya27a463d-c77e-45c5-9fe2-e5f6cc414a51

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