Under some interesting links towards colour-ring websites.
EURING, co-ordinating bird ringing throughout Europe.
Wetlands International, global links to colour-marking schemes & satellite tracking programmes of waterbirds.
Wetlands International, colour marking of waterbird groups/species undertaken/coordinated in Eurasia/Pacific.
The Partnership for the East Asian-Australasian Flyway, coordination of colour marking.
Japanese Bird Banding Association.
African Bird Ringing Scheme (AFRING).
Animal Demography Unit, colour-ringing of colonial waterbirds on the Cape peninsula.
Bird Banding in America, especially South America.
Banded Gulls on Sable Island, Nova Scotia.
Ring-billed Gulls in North America.
Other Gull ringing in North America.
The Working Group on Waders (WGW), colour-marking of waders.
European rings, website of Holmer Vonk.
Photo-Guide to Colour-Ringed Birds, website of Marco Basso.
Wetlands International, Cormorant Research Group, website of Stefano Volponi.
Dutch Gull project, website of Frank Majoor.
Belgium Black-headed Gull project, website of Tim Audenaert.
Grupa Badawcza Ptaków Wodnych "KULING"