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[Eagles] Besra or Japanese Sparrowhawk? (松雀鷹或日本松雀鷹?)

lida

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1# A A A Post at 2/04/2018 01:10  Show author

Besra or Japanese Sparrowhawk? (松雀鷹或日本松雀鷹?)

Can anyone help with the id please? Seems difficult to distinguish these two species.
Thanks.

25/03/2018
Mai Po

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HFCheung

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2# A A A Post at 2/12/2019 15:00  Show author
Looks like a male Besra to me.  The orange iris is not good for female and juvenile.  Then the throat stripe is good for Besra.  The bars on tail is sometimes tricky, but width of dark to light appear to be 1:1. Length of primary projection also fits Besra.

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