{"id":14238,"date":"2020-07-29T15:18:00","date_gmt":"2020-07-29T12:18:00","guid":{"rendered":"http:\/\/4vultures.org\/?p=14238"},"modified":"2025-05-05T15:47:10","modified_gmt":"2025-05-05T12:47:10","slug":"research-review-nocturnal-flights-by-bearded-vultures-detected-for-the-first-time-using-gps-and-accelerometer-data","status":"publish","type":"post","link":"https:\/\/4vultures.org\/es\/blog\/research-review-nocturnal-flights-by-bearded-vultures-detected-for-the-first-time-using-gps-and-accelerometer-data\/","title":{"rendered":"Research review: Nocturnal flights by Bearded Vultures detected for the first-time using GPS and accelerometer data"},"content":{"rendered":"
\"\"
Bearded Vulture in flight (c) Pilar Oliva<\/figcaption><\/figure>\n\n\n\n

For the first time, researchers studied the previously undescribed nocturnal flights by Bearded Vultures using GPS and accelerometer technology to determine the motivations behind this behaviour. The research was carried out by Ruth Garc\u00eda-Jim\u00e9nez, Jos\u00e9 Mar\u00eda Mart\u00ednez-Gonz\u00e1lez, Pilar Oliva-Vidal, Josep Piqu\u00e9, Jos\u00e9 Antonio Ses\u00e9 and Antoni Margalida and was recently published in the journal <\/a>Bird Study<\/em><\/a>.<\/p>\n\n\n\n

Methods<\/strong><\/p>\n\n\n\n

The research team used both the accelerometer and GPS location data from tracking units fitted to 11 Bearded Vultures in the Spanish Pyrenees and also monitored 88 carcasses with camera traps to determine whether nocturnal flights could be linked with foraging behaviour.<\/p>\n\n\n\n

Results<\/strong><\/p>\n\n\n\n

The data analysed indicated that over half (55%) of the individuals tracked were recorded flying between 0.7 and 6.1 km on at least 19 different nights, including 37% that occurred when less than 20% of the moon was illuminated. Feeding activity was not observed in many instances. In fact, the tracked Bearded Vultures displayed feeding activity in only 8.2% of the 146 feeding events existing during the hour after dawn and the hour before dusk.<\/p>\n\n\n\n

Conclusions<\/strong><\/p>\n\n\n\n

The findings suggest that foraging benefits do not justify the nocturnal flying behaviour. It seems that disturbances or adverse weather conditions may result in the abandonment of an overnight roosting site, which could also explain why some individuals recovered in the field showed impact injuries. It is also possible that artificial lighting in the vicinity of some roost sites facilitated some nocturnal flights. Further research is required to determine to the causes and consequences of nocturnal flights in Bearded Vultures and other species. <\/p>\n\n\n\n

Source<\/strong><\/p>\n\n\n\n

Ruth Garc\u00eda-Jim\u00e9nez, Jos\u00e9 Mar\u00eda Mart\u00ednez-Gonz\u00e1lez, Pilar Oliva-Vidal, Josep Piqu\u00e9, Jos\u00e9 Antonio Ses\u00e9 & Antoni Margalida (2020) Nocturnal flights by Bearded Vultures Gypaetus barbatus<\/em>detected for the first-time using GPS and accelerometer data, Bird Study, DOI: 10.1080\/00063657.2020.1781054<\/a><\/p>","protected":false},"excerpt":{"rendered":"

For the first time, researchers studied the previously undescribed nocturnal flights by Bearded Vultures using GPS and accelerometer technology to determine the motivations behind this behaviour. The research was carried out by Ruth Garc\u00eda-Jim\u00e9nez, Jos\u00e9 Mar\u00eda Mart\u00ednez-Gonz\u00e1lez, Pilar Oliva-Vidal, Josep Piqu\u00e9, Jos\u00e9 Antonio Ses\u00e9 and Antoni Margalida and was recently published in the journal Bird Study. Methods […]<\/p>\n","protected":false},"author":1,"featured_media":14286,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"default","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[10],"tags":[79,12,30],"class_list":["post-14238","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","tag-2020-07","tag-beardedvulture","tag-research"],"yoast_head":"\nResearch review: Nocturnal flights by Bearded Vultures detected for the first-time using GPS and accelerometer data - Vulture Conservation Foundation<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/4vultures.org\/es\/blog\/research-review-nocturnal-flights-by-bearded-vultures-detected-for-the-first-time-using-gps-and-accelerometer-data\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Research review: Nocturnal flights by Bearded Vultures detected for the first-time using GPS and accelerometer data - Vulture Conservation Foundation\" \/>\n<meta property=\"og:description\" content=\"For the first time, researchers studied the previously undescribed nocturnal flights by Bearded Vultures using GPS and accelerometer technology to determine the motivations behind this behaviour. 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