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dc.contributor.authorGarcía-Jiménez, Ruth-
dc.contributor.authorPérez-García, Juan M.-
dc.contributor.authorMargalida, Antoni-
dc.identifier.citationBMC Ecology 18(1): 39 (2018)-
dc.description.abstract[Background] The development of satellite tracking technology enables the gathering of huge amounts of accurate data on animal movements over measured time intervals, to reveal essential information about species’ patterns of spatial use. This information is especially important in optimizing the design of conservation and management strategies for endangered species. In this study, we analysed the main drivers of daily patterns in the flight activity of the threatened Bearded Vulture Gypaetus barbatus. We studied 19 Bearded Vultures tagged with solar-powered GPS transmitters from 2006 to 2016 in the Pyrenees (Spain). We assessed the relative influence of external factors (season and daylight time) and internal factors (sex, breeding season and territorial status) on their daily activity behaviour by computing mean hourly distance travelled, maximum displacement and cumulative distance travelled per hour.-
dc.description.abstract[Results] Our findings showed a clear difference in all the estimators between territorial and non-territorial (floating) members of the population, showing that non-territorial individuals spent much longer in flight and travelled larger distances per day. We detected an important influence of daylight time and season on the daily rhythms of Bearded Vultures; flight activity increased during the last three quarters of daylight and was greatest in the spring. Breeding period and sex had also an effect on the maximum displacement and cumulative distance travelled. Individuals flew more during the breeding period and females tended to exhibit greater cumulative and maximum distances per hour than males regardless of breeding season.-
dc.description.abstract[Conclusions] Pyrenean Bearded Vultures flight daily activity was strongly influenced by daylight time, season, and territorial status, while individual sex and breeding season showed a milder effect on the birds’ movement behaviour. This study gives a novel insight into how external factors act as main drivers of the daily flight activity pattern of a long-lived avian scavenger.-
dc.description.sponsorshipThis work was funded by the Spanish Ministry of Economy, Industry and Competitiveness and the European Regional Development Fund trough project CGL2015-66966-C2-2-R. RGJ was supported by pre-doctoral grant (FPI/BES-2016-077510), JMPG was supported by a Juan de la Cierva research contract (FJCI-2015-25632), and AM was supported by a Ramón y Cajal research contract (RYC-2012-11867) all of them granted by the Spanish Ministry of Economy and Competitiveness.-
dc.publisherBioMed Central-
dc.relation.isversionofPublisher's version-
dc.subjectDaily movements-
dc.subjectDaylight time-
dc.subjectGypaetus barbatus-
dc.subjectTerritorial status-
dc.titleDrivers of daily movement patterns affecting an endangered vulture flight activity-
dc.contributor.funderMinisterio de Economía y Competitividad (España)-
dc.contributor.funderConsejo Superior de Investigaciones Científicas (España)-
dc.contributor.funderEuropean Commission-
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