Theo Locher:
Koekoek - Cuckoo - Cuculus canorus -6201
Theo Locher:
Koekoek - Cuckoo - Cuculus canorus -0371
Theo Locher:
Koekoek - Cuckoo - Cuculus canorus-5947
Theo Locher:
Koekoek - Cuckoo - Cuculus canorus-0462
Theo Locher:
Koekoek - Cuckoo - Cuculus canorus-0456
Theo Locher:
Koekoek - Cuckoo - Cuculus canorus-0445
Theo Locher:
Koekoek - Cuckoo - 2628
Theo Locher:
Koekoek - Common Cuckoo - Cuculus canorus - 1472
Theo Locher:
Koekoek - Common Cuckoo - Cuculus canorus - 8707