Birdwatching news and bird photography from Transcaucasia - by Kai Gauger and Michael Heiß

Donnerstag, 29. Oktober 2015

Calling Chiffchaffs

Interesting article about the vocalisation of wintering Chiffchaffs in Azerbaijan by Lukas Pelikan.

http://sternaberttrips.blogspot.de/2015/10/vokalisation-zilpzalp.html (in German with English summary)