BTO British Trust for Ornithology
CRBPO France
East Dales Ringing Group
G.N. Habitat
G.O.ES., Grupo Ornitológico del Estrecho
GCA Grup Catalá d´Anellament
GIA-ASTURIAS
GIA-LEÓN
GOB Balears
Huddleston & Jackson Bird Ringing Partnetship
North West Norfolk Ringing Group
Wash Wader Ringing Group
Dartford Ringing Group
Ringing in northern Sweden
Rye Meads Ringing Group
SCA Societat Catalana d'Anellament
Txepetxa. Asociación para el anillamiento científico de aves
Akerøya Bird Observatory
Australian Bird and Bat Banding Scheme
Belgium Ringing Center (Belgium)
Biological Station Rybachy
Bird Ringing Center (Sweden)
BTO, Bird Ringing Center (United Kingdom)
Castricum Bird Ringing Station
Centro de Migración de Aves (SEO/BirdLife)
Copenhagen Bird Ringing Center (Denmark)
C.R.B.P.O. (France)
Estación Biológica de Doñana
Euring Data Bank
Fair Isle Bird Observatory
Falsterbo
Finnish Museum of Natural History - Ringing Scheme
Finnish Ringing Center (Finland)
Hiddensee Bird Ringing Center (Germany)
Landguard Bird Observatory
Landsort Bird Observatory
North Ronaldsay Bird Observatory
Observatorio Ornitológico Annsjon (Sweden)
Ornithological Station (IoE) (Poland)
Sandwich Bay Bird Observatory Trust
Schweizerische Vogelwarte
Strait of Gibraltar Bird Observatory
South African Bird Ringing Unit.
SPEA (Sociedade Portugesa para o estudo das aves)
The Jerusalem Bird Observatory
Turöy
Valletta Bird Ringing Schemme
Vogelringstation nebularia
Vogelwarte Helgoland (Germany)
Vogelwarte Radolfzell (Germany)
Aguila Pescadora (seguimiento por satélite)
Cigüeña Negra (seguimiento por satélite)
Colour Ring Birding (CR-Birding)
RINGING AND MIGRATION
JOURNAL OF FIELD ORNITHOLOGY
ARDEOLA
AIRO
REVISTA CATALANA D'ORNITOLOGIA
Birdpages - Piteå, Sweden
European Ringing and Migration Studies
Atlas de identificación de las aves de Aragón
Manual del Anillador