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Calonectris diomedea?

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Old Monday 22nd July 2019, 15:30   #1
Miguel Berkemeier
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Calonectris diomedea?

C. Caparica, Portugal - July 2019
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Old Monday 22nd July 2019, 15:33   #2
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Genei?

C. Caparica, Portugal - July 2019
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Old Monday 22nd July 2019, 17:20   #3
Steve Lister
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Yes to the shearwater but the genei, and also your other gull post, the photos are not good enough to be certain.

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Old Monday 22nd July 2019, 17:58   #4
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For #1, I'd say Calonectris borealis (Cory's Shearwater, Atlantic; recently split from Mediterranean Scopoli's Shearwater C. diomedea).

For #2, I think 1st summer Chroicocephalus ridibundus rather than C. genei.
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Old Tuesday 23rd July 2019, 06:55   #5
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Quote:
Originally Posted by Nutcracker View Post
For #1, I'd say Calonectris borealis (Cory's Shearwater, Atlantic; recently split from Mediterranean Scopoli's Shearwater C. diomedea).

For #2, I think 1st summer Chroicocephalus ridibundus rather than C. genei.
On the first photo, bill really looks long !
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Old Tuesday 23rd July 2019, 13:32   #6
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On the first photo, bill really looks long !
That, with the blacker underside of the primaries in pic #2, is why I think Cory's C. borealis rather than Scopoli's C. diomedea (plus of course, in Portugal, the former is the one to be expected!)
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Old Tuesday 23rd July 2019, 15:52   #7
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That split depends upon which listing authority you follow - IOC have split it but as far as I know Clements/Cornell/eBird have not.

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Old Tuesday 23rd July 2019, 16:05   #8
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but as far as I know Clements/Cornell/eBird have not.
They don't have juristiction in Europe, though
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Old Tuesday 23rd July 2019, 23:14   #9
Valéry Schollaert
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That, with the blacker underside of the primaries in pic #2, is why I think Cory's C. borealis rather than Scopoli's C. diomedea (plus of course, in Portugal, the former is the one to be expected!)
I was speaking of the gull
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