No heard only birds. List currently excludes the following C category species: California Quail (CA, USA), Common Pheasant (CZ, DE, DK, FR, PL, USA), Barbary Partridge (ES), Zebra Dove (TH), Laughing Kookaburra (AU), Long-billed Corella (AU), Monk Parakeet (ES), Alexandrine Parakeet (TR), Rainbow Lorikeet (AU), House Crow (KE, SG), Red-billed Leiothrix (JP), Chinese Hwamei (JP), Tropical Mockingbird (CR, PA), Indian Silverbill (FR).