The occurrence of second generation anticoagulant rodenticides in non-target raptor species in Norway

► Brodifacoum, bromadiolone, difenacoum, difethialone and flocoumafen were measured in non-target species. ► Total concentrations of 11 to 255 ng/g were detected in golden eagles and eagle owls. ► One or more rodenticides were detected in 53% of samples. ► No rodenticides were detected in peregrine or gyrfalcons, or osprey.