Petar Iankov - Wildlife Ecologist at the BSPB / BirdLIfe Bulgaria Nature Conservation Centre PODA - Bulgarian Society for the Protection of Birds | LinkedIn
Dutch Birding - International journal on Palearctic birds - Dutch Birding
Testabonnement - Der Falke
UK Magazines & Bookazines | Readly
Publications — Batumi Raptor Count
Oriolus 67 - The Owl Pages
WILDLIFE COMEBACK IN EUROPE by Δασαρχείο - Issuu
Publications — Batumi Raptor Count
PDF) THE BIRDS OF LAKE ATANASOVSKO Status and Checklist, Second Edition