Birds of Southern Africa: MP3 Sound Collection
Boesman, Peter and Fred Van Gessel
Birds of Peninsular Malaysia MP3
Boesman, Peter
Bird Sounds in Flight - MP3 CD
Hans-Heiner Bergmann, Claude Chappuis, Karl-Heinz Dingler
Birds of Australia MP3 Sound Collection
Van Gessel, Fred
Birds of Colombia: MP3 Sound Collection [CD]
Birds of Brazil Version 2.0: MP3 Sound Collection [CD]
Birds of Mexico: MP3 Sound Collection [CD]
Birds of Venezuela, Version 2.0: MP3 Sound Collection [CD]
Birds of Sri Lanka: MP3 sound and image collection [CD]
WARAKAGODA, Deepal; HETTIGE, Uditha
Birds of Peru: MP3 Sound Collection [CD]
Birds of Costa Rica: MP3 Sound Collection [CD]