2021
DOI: 10.1016/j.scitotenv.2020.144386
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Intensive livestock farming as a major determinant of the exposure to anticoagulant rodenticides in raptors of the Canary Islands (Spain)

Abstract: Exposure to AR in reptiles, mammals and non-raptor birds is mainly related to intentional poisoning.• AR exposure appears as a threat for the conservation of the critically endangered Canary raven. • Incidence of AR in raptors almost reach 60%, with the highest values detected in common kestrels • First report of AR residues in Barbary Falcon and Eleonora's Falcon • Raptors that live near livestock intensive farms are significantly more exposed to AR.

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Cited by 22 publications
(21 citation statements)
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“…The raptors in our study presented higher levels of POPs than non-predatory birds (Figure 4), which is logical given that they feed higher in the trophic chain, and has been described in the literature [68,69]. They also presented higher levels of AR, as we expected from having previously observed it in this region [56], and also described by other authors [70]. However, in the case of agricultural pesticides the statistical significance was the opposite, with non-predatory birds presenting the highest levels.…”
Section: Application To Biomonitoringsupporting
confidence: 86%
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“…The raptors in our study presented higher levels of POPs than non-predatory birds (Figure 4), which is logical given that they feed higher in the trophic chain, and has been described in the literature [68,69]. They also presented higher levels of AR, as we expected from having previously observed it in this region [56], and also described by other authors [70]. However, in the case of agricultural pesticides the statistical significance was the opposite, with non-predatory birds presenting the highest levels.…”
Section: Application To Biomonitoringsupporting
confidence: 86%
“…We believe that the pesticide result has to do with the previous variable, in the sense that, in our study, all insectivorous species, and those that feed on fruits and seeds are diurnal, while the nocturnal birds in our series are both raptors that feed mainly on large and small rodents. For this same reason, and as we had already verified in previous studies, the nocturnal birds of the Canary Islands have higher levels of POPs [72] and AR [45,56].…”
Section: Application To Biomonitoringsupporting
confidence: 85%
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