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IWSG Banner. Photos by Jan van der Kam and Simon Gillings

The IWSG Colour-mark Register

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The IWSG Colour-mark Register is the definitive database of all schemes for waders in the East Atlantic flyway. All ringers conducting colour-marking studies throughout this flyway first register their schemes with the Register to ensure no overlap with existing schemes. The Register is also a means to discover the origins of a marked bird you may have seen. If you have any questions about the register contact us.
Sanderling by Jacques Le Baill
IWSG ~ shorebird research and conservation

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