Potential secondary poisoning of barn owls by rodenticides

animal salvaje animal sauvage birds brodifacoum brodifacum bromadiolona bromadiolone control de plagas difenacom difenacoum efectos secundarios effet secondaire hibou lechuza lutte antiravageur mice nontarget effects oiseau owls pest control pesticide pesticides plaguicidas predatory birds rapace rat rata rats residues residuos rodenticidas rodenticide rodenticides rodents roedores rongeur side effects souris strigiformes toxicidad toxicity wild animals