Bird Sounds in Flight - MP3 CD
Hans-Heiner Bergmann, Claude Chappuis, Karl-Heinz Dingler
The Sound Approach to Birding: A Guide to Understanding Bird Sound
CONSTANTINE, Mark
Nature Sounds from Eastern Part of Turkey [CD]
LINJAMA, Tero
Petrels Night and Day: A Sound Approach Guide
ROBB, Magnus; MULLARNEY, Killian; The Sound Approach
Owls of Europe / Europas Ugglor - CD