The tail of the European curlew

The tail pattern of all subspecies of European Curlew versus Slender-billed Curlew

As can be seen from pictures and descriptions the tail pattern of Slender-billed Curlew is unique and therefore can be of help to tell Slender-billed Curlew in all plumages apart from all subspecies of Curlew.

see:

https://radioactiverobins.com/archive/snipes-waders/european%20curlew%20numenius%20a.arquata.htm

   https://radioactiverobins.com/archive/snipes-waders/steppe%20curlews%20num%20arq%20sschkini.htm

   https://radioactiverobins.com/archive/snipes-waders

/eastern%20or%20russian%20curlew%20numenius%20a.orientalis.htm

https://www.radioactiverobins.com/slender-billed-curlew/

European-Russian-Curlew-tail-pattern-arquata-orientalis-Message-Taylor-2005-P.165-SHOREBIRDS-PRINCETON-UNIVERSITY-ISBN.jpg
Slender-billed-Curlew-tail-pattern-taken-from-Message-Taylor-2005-p.164-SHOREBIRDS-PRINCETON-UNIVERSITY-PRESS.jpg
Tail-pattern-of-northeast-European-Curlew-19112020-2-The-Netherlands-c-Adri-de-Groot.jpg
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Tail-pattern-of-northeast-European-Curlew-19112020-4-The-Netherlands-c-Adri-de-Groot.jpg
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Curlew-Numenius-a.arquata-ad-23012020-2254-The-Netherlands-c-Norman-Deans-van-Swelm-1024×530.jpg
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Curlew-Numenius-a.arquata-ad-02032021-6347-Stellendam-The-Netherlands-c-Norman-Deans-van-Swelm.jpg
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Curlew-Numenius-a.arquata-ad-02032021-6382a-Stellendam-The-Netherlands-c-Norman-Deans-van-Swelm.jpg

https://www.radioactiverobins.com/the-tail-of-the-european-curlew/

tail-Slender-billed-Curlew.Numenius-tenuirostris-male-March-1923FoggiaItaly-NaturalisAves-Cat.9-1
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tail-Slender-billed-Curlew.Numenius-tenuirostris-male-28121922-LeeuwardenThe-Netherlands-NaturalisAves-nr.51-36-1-1024×346
Slender-billed-Curlew.Numenius-tenuirostris-female-22111922-FrieslandThe-Netherlands-NaturalisAves-nr.Cat_.8-1-1024×407
Slender-billed-Curlew.Numenius-tenuirostris-Oct.1897-Tunesie-NaturalisLeiden-nr.51-36-1-1024×367
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