An earliest autumn record by 9 days.
Both Brambling and Black-headed Bunting - see here
http://www.hkbws.org.hk/BBS/viewthread.php?tid=21827
have become much more commonly recorded in Hong Kong since 2008/2009. 
Can anyone explain why?
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 Last edited by wgeoff at 12/10/2014 20:21 ]