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Mystery schemes

Can you help us track down when and where these birds were ringed as they do not conform to any known schemes in the IWSG Colour Marks Register. If you can help, email colourmark@waderstudygroup.org

Bar-tailed Godwit - Limosa lapponica. Yellow flag on left tibia, lime/red on right tibia. Tarsus not seen. Only the Dutch have been approved for use of yellow flags and this is not one of their birds.