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)
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)
Birding Azerbaijan 
Thanks for this nice blog.i am from azerbaijan and i love birdwatching and iupload videos about birds(not proffecional).This blog so helpfull.Thanks again
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