kkchang168

Dear all

The birds below resemble tree sparrow but it is much darker in color. I believed that it is not dirt and the birds are not a single one. I have seen them quite a few time when I worked in BJ. The photos were taken inside the campus of University of International Business and Economics.  

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I have tried to find books and cannot find out what they are. Would appreciate anyone help to tell me what they are. Thanks

[ Last edited by kkchang168 at 5/04/2013 17:33 ]

subbuteo

Could they be very dirty Eurasian tree sparrows?  They look like they have been up a chimney!  Overall appearance is sparrow-like.

Dylan

badesc

A melanistic Tree Sparrow is perhaps more likely. Occurs in House Sparrow as well: http://www.rspb.org.uk/community ... /82585/551869.aspx.

kkchang168

Thank you for all your reply. I have searched in the internet and found more information on it. There are melanistic tree sparrow too. One more knowledge not on the books I have. Thank Bart again. The title is changed accordingly.

[ Last edited by kkchang168 at 5/04/2013 17:34 ]