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Birds, Wildlife and Gardening

Nearly 100 vultures fall victim to suspected mass poisoning in Spain

An area in Castilla y León, Spain, became a death trap for vultures over the past couple of days. Since 23rd June, when locals came across the gruesome scene, nearly 100 vultures were discovered either dead or dying in the field. Based on the circumstances, a mass poisoning incident is the likely cause behind this […]

An area in Castilla y León, Spain, became a death trap for vultures over the past couple of days. Since 23rd June, when locals came across the gruesome scene, nearly 100 vultures were discovered either dead or dying in the field. Based on the circumstances, a mass poisoning incident is the likely cause behind this tragic event, but investigations are ongoing.

Several vultures killed by suspected mass poisoning

A person passing through Monterrubio de Armuña (Salamanca) spotted dozens of dead and dying vultures. But the reality was way worse. When the competent authorities arrived on the scene, the environmental agents and the Guardia Civil (Seprona) found 56 dead birds (54 Griffon Vultures, one Cinereous Vulture and one Black Kite) and 41 alive (38 Griffon Vultures and 3 Cinereous Vultures) with a bleak prognosis.

Griffon Vulture, copyright Glyn Sellors, from the surfbirds galleries

The affected scavenging birds consumed the remains of four sheep that had died next to a cornfield. The agents are considering all the possibilities, including the likelihood that the episode may have been intentional, targeting predators or even vultures. They are also investigating whether the origin of the poisoning comes from some type of agricultural treatment that may have poisoned the sheep, which then affected the vulture feeding on their carcasses, possibly causing secondary poisoning. Today the Guardia Civil anti-poisoning dog unit from Madrid has joined the search to detect poisons. This morning, blood and tissue samples from the carrion and the dead animals were sent to the Toxicology and Forensic Veterinary Service of the Veterinary Faculty of the University of Murcia to help determine the toxic substances used.

Emergency actions try to save poisoned vultures

The animals that were still alive were taken to recovery centres in Salamanca and Valladolid to receive urgent treatment in hope of making a recovery. Environmental agents and technicians of the Junta de Castilla y León also performed emergency treatment and administered drugs to the necrophagous birds affected on-site, since minutes can make a difference in such cases. Late last night the veterinary teams from Las Dunas and CRAS de Valladolid continued working with the specimens that were still alive and the first examinations of the dead specimens began. Unfortunately, another 20 birds escaped before being captured for treatment. Spain is home to 90% of the European population of this protected species, with around 35,000 Griffon Vultures and 2,500 Cinereous Vultures pairs

Poisoning poses a significant threat to vultures and nature

Based on the findings of a report, in Spain alone, between 1992 and 2017, 21,260 animals died due to poison baits from a total of 9,700 crimes against wildlife. This figure is just the tip of the iceberg, because in reality there may be more than 200,000 animals affected since only a fraction of the total number of cases are ever detected. The Griffon Vulture is the most poisoned bird of prey in Spain, with 1,757 individuals falling victim to this damaging practice, corresponding to 23.4% of all raptor species affected. Furthermore, a total of 624 Cinereous Vultures, 325 Egyptian Vultures and 48 Bearded Vultures were poisoned between the period analysed in the report.

Poison – usually put out to kill carnivores, not vultures, who are collateral victims of this illegal practice, is the main threat to vultures worldwide, according to the Vulture Multi-species Action Plan (Vulture MsAP) – a global strategic blueprint identifying priorities and actions to conserve 15 species of old world vultures, endorsed by the Convention for Migratory Species and co-developed by the Vulture Conservation Foundation (VCF). The VCF is parti.cularly active in fighting this threat and is implementing several projects across Europe, such as BalkanDetox LIFE, to tackle illegal wildlife poisoning head-on.

At the VCF, we have been in close contact with local colleagues offering help to deal with this mass vulture mortality. We will keep track of the developments and share updates — you can stay tuned by following us on Facebook and Twitter.

By Vulture Conservation Foundation

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