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Old Wednesday 13th September 2017, 12:41   #5
P.Sunesen
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Join Date: Jul 2011
Location: Copenhagen
Posts: 1,641
Hi Arnaud,

Greater Short-toed Lark can be excluded at once due to its almost non-existing primary projection.

As you mention, the latter field mark can also be used to eliminate Calandra Lark, because that species has a very long primary projection.

Skylark, however, with its - to quote the Collin's guide - "moderate" primary projection matches perfectly. A further clinching character is the tail projection, which is considerably longer in Skylark than in Calandra Lark, so you should be able to put this claim to rest by using your initial arguments.

Peter

Last edited by P.Sunesen : Wednesday 13th September 2017 at 12:52.
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