Gulls

species: 
Herring Gull
scientific name: 
Larus argentatus
notes: 

Light-green (lime) ring with a 2 alpha-numeric code code.

note 1 : rings are placed above the knee (on the tibia) for better observation results in the colony (high vegetation) and on rubbish-dumps. All other colours (with vertical placed codes) above the knee are also part of this project.

note 2 : Same codes can be used by other large gull species. If you have doubts about the species and/or code, please note the age and position of all the rings, including the metal ring.

note 3 : used letters/numers are : A, B, C, D, E, F, G, H, J, K, L, M, N, P, R, S, T, U, V, W, X, Y, Z, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, + and =. Only the letters I, O and Q are never used

note 4 : In this project are also used a combination of two coloured rings with both one letter or number at each tibia.

note 5 : 

email sighting submit: 
website information: 
Gulls Research
colour-ring type: 
Legring : one, coded.
colour-ring colour (of the c-ring): 
Light Green (Lime) [L]
colour-ring code (of the c-ring): 
Two alpha-numeric code (2 letters/numbers).
colour-ring position (of the c-ring): 
Tibia
countries where ringed: 
The Netherlands.
Attachment: 
PDF icon colour ring scheme Roland-Jan Buijs