The difference between Black and Green Woodpeckers advertising calls
All in Sound Diary
Chaffinches in the Atlantic Islands not only sound different but are new species
The darkness can be intimidating, but slowly we can learn to unravel nocturnal life
A bird which has an amazing ability to imitate other species and has its own acoustic “fingerprint as well
Calls of two species of these rare, solitary and elusive creatures made in the wild.