Whooper Swan colour-marking projects
YELLOW NECKCOLLARS (2R00-2R99, 4R00-4R99, 5R00-5R99, 6R00-6R99 and 7R00-7R99):
Axel Degen, Tannenburgstrasse 11, 49084 Osnabrück, Germany (e-mail: Axel.Degen@t-online.de).
YELLOW NECKCOLLARS (2J00-2J99 and 3J00-3J99): Bjarke Laubek, NERI, Grenåvej 12, 8410 Rønde, Denmark (e-mail: Laubek@post10.tele.dk).
YELLOW NECKCOLLARS (0R01-0R12): Menno Zijlstra, RIZA, Postbus 17, 8200AA Lelystad, The Netherlands (e-mail: M.Zijlstra@riza.rws.minvenw.nl).
YELLOW NECKCOLLARS (1R00-1R99 and 3R00-3R99): Andrzej Czapulak, Department of Avian Ecology, Wroclaw University, Sienkiewicza 21, 50-335 Wroclaw, Poland (e-mail: czapula@culex.biol.uni.wroc.pl).
BLUE NECKCOLLARS (all codes, serial letters P, S and U): Bjarke Laubek, NERI, Grenåvej 12, 8410 Rønde, Denmark (e-mail: Laubek@post10.tele.dk).
LEGRINGS (white or yellow on one leg, all codes except HAA-HZZ): Jenny Earle, Wildfowl & Wetlands Trust, Swan Office, Slimbridge, Gloucester GL2 7BT, England (e-mail: Jenny.Earle@wwt.org.uk).
LEGRINGS (yellow
on one leg, codes HAA-HZZ): Bjarke Laubek, NERI, Grenåvej 12, 8410 Rønde,
Denmark (e-mail: Laubek@post10.tele.dk).