What do you think you hear in this recording? A clockwork? A model railroad?
Or maybe a snake?
Yesterday we ringed some juvenile Wrynecks Jynx torquilla. What you can hear
is their defense call. For us it was a really impressive experience to hear and see
this bunch of hissing and clicking young birds in the nest-box.
This defence behaviour is optical remarkable too. The Wrynecks turn their heads
all the time to impersonate a snake. Combined with the sound it didn´t miss its