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Black-throated or Red-throated Diver? - Romania (1 Viewer)

Cristian Mihai

Cristian Mihai
Pics (sorry for the quality) taken by a friend, yesterday in Bucharest.
Thank youy for help.
 

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For me Red-throated, 1cy. Black-throated would show white above water at vent, dark and white at neck would be separated by a sharp border and the bill is too weak and has the typical shape of Red-throated.
 
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For me Red-throated, 1cy. Black-throated would show white above water at vent, dark and white at neck would be separated by a sharp border and the bill is too weak and has the typical shape of Red-throated.

Nice analysis Roland, many thanks!

Chris
 
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