Colour code
The birds of this project have 1 colour ring with 5 characters.
The colour code consists of 3 consecutive elements:
- the letter of the colour
- a hyphen ("-")
- the inscription (always 5 characters)
Example W-ABCDE. This bird has a white colour ring with the inscription ABCDE on it.
colour-letters
- B = dark Blue
- G = dark Green
- L = light green ("Lime")
- N = black ("Noir")
- O = Orange
- R = Red
- W = White
- Y = Yellow