Peter Sjolte Ranke Øvre Bergsvingen 3 7051 Trondheim ranke(at)stud.ntnu.no psranke(at)gmail.com peter(at)birdlife.no +4799515654 Research fellow at the Norwegian Ornithological Society Research subjects: Coevolution and arms race through brood parasitsm Habitat preferences in relation to habitat quality Bird migration Show publication list   Norwegian Ornithological Society - Birdlife Norway (external site) Blixøya Ringing Station (external site) Rare birds in Østfold county (external site)