Colour code

The birds of this project have 1 color ring with 2 characters.

The color code consists of 3 consecutive elements:

  1. the letter of the color
  2. a hyphen ("-")
  3. the inscription (always 2 characters)

Example W-AA. This bird has a white colour ring with the inscription AA on it.

In some projects there may be a special sign (eg a dot or a vertical bar) on the ring that may be important in recognizing the bird. Example W-A.A


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