| http://www.w3.org/ns/prov#value | - Reply Max Berlijn says: May 17, 2014 at 2:16 PM Hi Terry, if you have a look at this bird http://orientalbirdimages.org/search.php?Bird_ID=182&Bird_Image_ID=9846&p=15 from 2004, a chestnut patch on the head is maybe not a sure prove of beeing a hybrid, or this bird is a hybrid and the problem is older than we now think?
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