{"id":41297,"date":"2026-01-14T13:04:33","date_gmt":"2026-01-14T11:04:33","guid":{"rendered":"https:\/\/4vultures.org\/?p=41297"},"modified":"2026-01-19T13:00:30","modified_gmt":"2026-01-19T11:00:30","slug":"how-gps-tagged-vultures-help-detect-wildlife-crime","status":"publish","type":"post","link":"https:\/\/4vultures.org\/pt\/blog\/how-gps-tagged-vultures-help-detect-wildlife-crime\/","title":{"rendered":"Silent sentinels: how GPS-tagged vultures help detect wildlife crime\u00a0"},"content":{"rendered":"<p>GPS tracking data are a cornerstone of conservation protocols all over the world. They follow\u00a0individuals&#8217;\u00a0movements and allow for deeper insights into species\u2019 behaviour, ecology, and threats.\u00a0<a href=\"https:\/\/doi.org\/10.1093\/biosci\/biaf136\" target=\"_blank\" rel=\"noreferrer noopener\">A recent article published on\u00a0BioScience<\/a>\u00a0explores the possibility to\u00a0leverage\u00a0animal tracking to detect wildlife crime.\u00a0<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"900\" height=\"470\" src=\"http:\/\/4vultures.org\/wp-content\/uploads\/2024\/12\/what-to-do-when-encountering-poisoning-incidents.png\" alt=\"\" class=\"wp-image-39270\" srcset=\"https:\/\/4vultures.org\/wp-content\/uploads\/2024\/12\/what-to-do-when-encountering-poisoning-incidents.png 900w, https:\/\/4vultures.org\/wp-content\/uploads\/2024\/12\/what-to-do-when-encountering-poisoning-incidents-300x157.png 300w, https:\/\/4vultures.org\/wp-content\/uploads\/2024\/12\/what-to-do-when-encountering-poisoning-incidents-768x401.png 768w, https:\/\/4vultures.org\/wp-content\/uploads\/2024\/12\/what-to-do-when-encountering-poisoning-incidents-18x9.png 18w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><figcaption class=\"wp-element-caption\">Wildlife crime scene\/ illustrative<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">A useful tool in grim scenarios\u00a0<\/h2>\n\n\n\n<p>Wildlife crime is one of the most significant threats to biodiversity, human well-being and security. Improving detection of these crimes is one of the five critical\u00a0objectives\u00a0identified by the International Consortium on Combating Wildlife Crime (IC- CWC2022).\u00a0<\/p>\n\n\n\n<p>Tracking scavengers&#8217; movements can point authorities to otherwise hidden crimes. Tagged individuals are easily detected if poached and can help detect the poaching of their conspecifics. In addition, scavenger ability to\u00a0locate\u00a0carcasses, and ecological interactions among species, could potentially improve detection of poached individuals of both tagged and untagged species.\u00a0<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Vultures as poaching incidents sentinels\u00a0<\/h3>\n\n\n\n<p>Vultures easily\u00a0locate\u00a0carrion over vast areas, which makes them the powerful, cost-effective sentinels that help detect wildlife crime. Unfortunately, what makes them great scouts also exposes them to a greater risk of becoming poisoning victims.\u00a0<\/p>\n\n\n\n<p>Wildlife crime is present all over the world, and vultures and other scavengers are&nbsp;frequently&nbsp;involved. In Europe, for example,&nbsp;<a href=\"https:\/\/4vultures.org\/pt\/blog\/second-egyptian-vulture-poisoning-in-bulgaria-this-year-leaves-one-dead-and-a-chick-rescued\/\" target=\"_blank\" rel=\"noreferrer noopener\">vultures are often unintentional victims of illegal predator control actions<\/a>. On the other hand, in Africa,&nbsp;<a href=\"https:\/\/4vultures.org\/pt\/blog\/ecological-crisis-in-south-africa-vulture-mass-poisoning-incident-in-mpumalanga\/\" target=\"_blank\" rel=\"noreferrer noopener\">vultures are sometimes intentionally poisoned by poachers<\/a>&nbsp;to prevent them from alerting the authorities. This illegal persecution has been referred to as sentinel poisoning.&nbsp;&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"684\" data-id=\"40555\" src=\"https:\/\/4vultures.org\/wp-content\/uploads\/2025\/08\/Egyptian-Vulture-Deni-found-dead-from-suspected-poisoning-in-Bulgaria-\u00a9-BSPB-1024x684.png\" alt=\"Egyptian Vulture Deni found dead from suspected poisoning in Bulgaria \u00a9 BSPB\" class=\"wp-image-40555\" srcset=\"https:\/\/4vultures.org\/wp-content\/uploads\/2025\/08\/Egyptian-Vulture-Deni-found-dead-from-suspected-poisoning-in-Bulgaria-\u00a9-BSPB-1024x684.png 1024w, https:\/\/4vultures.org\/wp-content\/uploads\/2025\/08\/Egyptian-Vulture-Deni-found-dead-from-suspected-poisoning-in-Bulgaria-\u00a9-BSPB-300x200.png 300w, https:\/\/4vultures.org\/wp-content\/uploads\/2025\/08\/Egyptian-Vulture-Deni-found-dead-from-suspected-poisoning-in-Bulgaria-\u00a9-BSPB-768x513.png 768w, https:\/\/4vultures.org\/wp-content\/uploads\/2025\/08\/Egyptian-Vulture-Deni-found-dead-from-suspected-poisoning-in-Bulgaria-\u00a9-BSPB-1536x1026.png 1536w, https:\/\/4vultures.org\/wp-content\/uploads\/2025\/08\/Egyptian-Vulture-Deni-found-dead-from-suspected-poisoning-in-Bulgaria-\u00a9-BSPB-18x12.png 18w, https:\/\/4vultures.org\/wp-content\/uploads\/2025\/08\/Egyptian-Vulture-Deni-found-dead-from-suspected-poisoning-in-Bulgaria-\u00a9-BSPB.png 1950w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Egyptian Vulture Deni found dead from suspected poisoning in Bulgaria \u00a9 BSPB<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"768\" data-id=\"40102\" src=\"https:\/\/4vultures.org\/wp-content\/uploads\/2025\/05\/image-2-1024x768.jpeg\" alt=\"dozens of vulture carcasses on the ground\" class=\"wp-image-40102\" srcset=\"https:\/\/4vultures.org\/wp-content\/uploads\/2025\/05\/image-2-1024x768.jpeg 1024w, https:\/\/4vultures.org\/wp-content\/uploads\/2025\/05\/image-2-300x225.jpeg 300w, https:\/\/4vultures.org\/wp-content\/uploads\/2025\/05\/image-2-768x576.jpeg 768w, https:\/\/4vultures.org\/wp-content\/uploads\/2025\/05\/image-2-1536x1152.jpeg 1536w, https:\/\/4vultures.org\/wp-content\/uploads\/2025\/05\/image-2-16x12.jpeg 16w, https:\/\/4vultures.org\/wp-content\/uploads\/2025\/05\/image-2.jpeg 1600w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Mass poisoning in Kruger National park 2025<\/figcaption><\/figure>\n<\/figure>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Remote tracking benefits&nbsp;<\/h2>\n\n\n\n<p>The use of GPS tags allows scientists to collect far more data than the mere position of an individual. It records behaviours and interactions &#8211; such as routine movements from feeding to roosting sites, speed and altitude of each flight, and migration routes &#8211; allowing for deeper insight into the ecology of the species.&nbsp;<\/p>\n\n\n\n<p>The data recording scavengers feeding events can be used to track poaching and poisoning incidents. Although it is impossible to visit each feeding site, a carefully curated protocol makes it possible to scale up the research and detect poaching events from GPS tracking data, boosting the detectability of crimes that would otherwise remain unseen.&nbsp;<a href=\"https:\/\/doi.org\/10.1093\/biosci\/biaf136\" target=\"_blank\" rel=\"noreferrer noopener\">The 2025 study<\/a>&nbsp;compiled multiple cases across Portugal, Spain, Bulgaria, and the Czech Republic, where feeding sites&nbsp;identified&nbsp;from GPS data led investigators to poached wildlife. Those cases show how scavengers can reveal crimes that do not always directly harm the tracked bird but do harm other species and the environment.&nbsp;<\/p>\n\n\n\n<div class=\"wp-block-uagb-image aligncenter uagb-block-79d8592d wp-block-uagb-image--layout-default wp-block-uagb-image--effect-static wp-block-uagb-image--align-center\"><figure class=\"wp-block-uagb-image__figure\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/4vultures.org\/wp-content\/uploads\/2026\/01\/Figure-4-BioScience-article.jpg\" alt=\"Descriptive slide of the protocol to use GPS data as early sentinels for poaching events\" class=\"uag-image-41296\" width=\"442\" height=\"468\" title=\"Figure 4 BioScience article\" role=\"img\" \/><figcaption class=\"uagb-image-caption\">Proposed workflow for systematically scaling up GPS tracking of wildlife for poaching detection. BioScience, Volume 75, Issue 12, December 2025, Pages 1058\u20131065, https:\/\/doi.org\/10.1093\/biosci\/biaf136\n<\/figcaption><\/figure><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Extending Established Initiatives&nbsp;<\/h3>\n\n\n\n<p>The study closely follows the concept underpinning the&nbsp;<a href=\"https:\/\/ewt.org\/eye-in-the-sky-vulture-response\/\" target=\"_blank\" rel=\"noreferrer noopener\"><em>Eye in the Sky<\/em><\/a>&nbsp;programme, led by the Endangered Wildlife Trust, the North Carolina Zoological Society, and Contemplate Wild, which&nbsp;leverages&nbsp;GPS tracking data from vultures to detect poisoning events and illegal killing of large mammals in Africa.&nbsp;&nbsp;<\/p>\n\n\n\n<p>By analysing vulture movements in near real time, the system\u00a0identifies\u00a0unusual activity like rapid clustering of birds or sudden immobility. Rangers swiftly investigate sites, confirm incidents, remove any poisoned carcasses, and respond before further wildlife is affected. Vultures thus act as an effective\u00a0early-warning\u00a0system, helping to detect and mitigate illegal activities across vast African landscapes that would otherwise be difficult to\u00a0monitor.\u00a0<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>How we are fighting against wildlife crime<\/strong>&nbsp;<\/h2>\n\n\n\n<p>One of the pillars of our work is creating a safe environment for vulture species to thrive.\u00a0<a href=\"https:\/\/4vultures.org\/pt\/our-work\/monitoring\/\" target=\"_blank\" rel=\"noreferrer noopener\">Each vulture released in a partner restocking or reintroduction project is equipped with a GPS tracker.<\/a>\u00a0We follow every story across Europe and beyond, and use this data to study vultures\u2019 behaviour and the threats they face. Thanks to these data, we improve conservation actions and protocols, giving each species the best chance to thrive in nature. Moreover, together\u00a0with our partners\u00a0we are\u00a0implementing exactly the early warning systems based on vulture tracking suggested in the\u00a0<a href=\"https:\/\/doi.org\/10.1093\/biosci\/biaf136\" target=\"_blank\" rel=\"noreferrer noopener\">article<\/a>.\u00a0\u00a0<\/p>\n\n\n\n<p>We\u00a0actively fight against wildlife crime by training police, inspectors, prosecutors, and veterinarians across Europe through our\u00a0<a href=\"https:\/\/4vultures.org\/pt\/projects\/wildlife-crime-academy\/\" target=\"_blank\" rel=\"noreferrer noopener\">WildLIFE\u00a0Crime Academy.<\/a> The Academy draws from successful wildlife crime reduction measures implemented by Spain\u2019s Junta de Andaluc\u00eda and shares best practices with\u00a0a holistic approach. In addition, it promotes international\u00a0collaboration, since\u00a0wildlife crime transcends borders. It\u00a0facilitates\u00a0intelligence-sharing, harmonized investigative protocols, and improved prosecution of wildlife criminals across multiple regions. Through the\u00a0<a href=\"https:\/\/4vultures.org\/pt\/projects\/wildlife-crime-academy\/\" target=\"_blank\" rel=\"noreferrer noopener\">Academy<\/a>, we are creating a Europe-wide network of professionals ready to act.\u00a0<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-2 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"682\" data-id=\"40862\" src=\"https:\/\/4vultures.org\/wp-content\/uploads\/2025\/10\/image-1-1024x682.jpeg\" alt=\"\" class=\"wp-image-40862\" srcset=\"https:\/\/4vultures.org\/wp-content\/uploads\/2025\/10\/image-1-1024x682.jpeg 1024w, https:\/\/4vultures.org\/wp-content\/uploads\/2025\/10\/image-1-300x200.jpeg 300w, https:\/\/4vultures.org\/wp-content\/uploads\/2025\/10\/image-1-768x512.jpeg 768w, https:\/\/4vultures.org\/wp-content\/uploads\/2025\/10\/image-1-1536x1023.jpeg 1536w, https:\/\/4vultures.org\/wp-content\/uploads\/2025\/10\/image-1-18x12.jpeg 18w, https:\/\/4vultures.org\/wp-content\/uploads\/2025\/10\/image-1.jpeg 1600w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Cinereous Vulture \u201cUkhum\u201d being tagged \u00a9John Burnside<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"986\" height=\"654\" data-id=\"21134\" src=\"https:\/\/4vultures.org\/wp-content\/uploads\/2021\/12\/The-efforts-against-wildlife-poisoning-in-Sardinia-expand-to-the-whole-island-2.png\" alt=\"anti-poison dog unit sardinia_The efforts against wildlife poisoning in Sardinia expand to the whole island\" class=\"wp-image-21134\" srcset=\"https:\/\/4vultures.org\/wp-content\/uploads\/2021\/12\/The-efforts-against-wildlife-poisoning-in-Sardinia-expand-to-the-whole-island-2.png 986w, https:\/\/4vultures.org\/wp-content\/uploads\/2021\/12\/The-efforts-against-wildlife-poisoning-in-Sardinia-expand-to-the-whole-island-2-300x199.png 300w, https:\/\/4vultures.org\/wp-content\/uploads\/2021\/12\/The-efforts-against-wildlife-poisoning-in-Sardinia-expand-to-the-whole-island-2-768x509.png 768w\" sizes=\"(max-width: 986px) 100vw, 986px\" \/><figcaption class=\"wp-element-caption\">\u00a9 Cfva\/ LIFE Safe for Vultures<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" data-id=\"40897\" src=\"https:\/\/4vultures.org\/wp-content\/uploads\/2025\/10\/4-1-1024x683.jpg\" alt=\"two people with the WCA logo on their shirts analysing a Griffon Vulture carcass\" class=\"wp-image-40897\" srcset=\"https:\/\/4vultures.org\/wp-content\/uploads\/2025\/10\/4-1-1024x683.jpg 1024w, https:\/\/4vultures.org\/wp-content\/uploads\/2025\/10\/4-1-300x200.jpg 300w, https:\/\/4vultures.org\/wp-content\/uploads\/2025\/10\/4-1-768x512.jpg 768w, https:\/\/4vultures.org\/wp-content\/uploads\/2025\/10\/4-1-1536x1024.jpg 1536w, https:\/\/4vultures.org\/wp-content\/uploads\/2025\/10\/4-1-18x12.jpg 18w, https:\/\/4vultures.org\/wp-content\/uploads\/2025\/10\/4-1.jpg 2048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Practical training at the WildLIFE Crime Academy \u00a9I\u00f1igo Fajardo<\/figcaption><\/figure>\n<\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p>Source:\u00a0<em>Patricia\u00a0Mateo-Tom\u00e1s,\u00a0Mar\u00eda\u00a0Fern\u00e1ndez-Garc\u00eda, Jorge Rodr\u00edguez-P\u00e9rez, Jo\u00e3o Pedro Valente e Santos, Iv\u00e1n Guti\u00e9rrez, Javier de\u00a0la\u00a0Puente,\u00a0Volen\u00a0Arkumarev,\u00a0Aldin\u00a0Selimovic,\u00a0\u0160\u00e1rka\u00a0Fr\u00fdbov\u00e1, Miroslav\u00a0Kutal, Cl\u00e1udio Bicho, Emilio J Garc\u00eda, Jos\u00e9 Vicente L\u00f3pez-Bao,\u00a0Leveraging\u00a0animal tracking\u00a0to\u00a0combat\u00a0wildlife\u00a0crime: GPS-tagged\u00a0vultures\u00a0and\u00a0wolves\u00a0as\u00a0sentinels\u00a0of\u00a0other\u00a0species\u2019\u00a0poaching,\u00a0BioScience, Volume 75,\u00a0Issue\u00a012,\u00a0December\u00a02025, Pages 1058\u20131065, https:\/\/doi.org\/10.1093\/biosci\/biaf136\u00a0<\/em><\/p>","protected":false},"excerpt":{"rendered":"<p>GPS tracking data are a cornerstone of conservation protocols all over the world. They follow\u00a0individuals&#8217;\u00a0movements and allow for deeper insights into species\u2019 behaviour, ecology, and threats.\u00a0A recent article published on\u00a0BioScience\u00a0explores the possibility to\u00a0leverage\u00a0animal tracking to detect wildlife crime.\u00a0 A useful tool in grim scenarios\u00a0 Wildlife crime is one of the most significant threats to biodiversity, [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":39270,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","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":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","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":[410,12,14,15,16,59,31],"class_list":["post-41297","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","tag-2026-01","tag-beardedvulture","tag-cinereousvulture","tag-egyptianvulture","tag-griffonvulture","tag-monitoring","tag-poisoning"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - 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