argenteus 1cy NLA 5.429.070 August 24 2010, Neeltje Jans, the Netherlands.
Juvenile plumage of a ringed Dutch bird, that has replaced tertials alreday on the left side.
Image below: August 24 2010.
![](nla_5429070_1cy_teus_20100824_7004.jpg)
Image below: August 26 2010.
![](nla_5429070_teus1cy_20100826_7854.jpg)
Image below: September 01 2010.
![](nla_5429070_teus1cy_20100901_8527.jpg)
![](nla_5429070_teus1cy_20100901_8530.jpg)
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