Colour code

The birds in this project have two small colour rings on each lower leg in combination with one colour ring on the upper leg.

The short notation of the colour code consists of the following 7 subsequent elements:

1. Position of the small colour ing on the upper leg (L for left or R for right).
2. The letter of the colour of the small colour ring on the upper leg (1 letter)
3. A hyphen ("-")
4. The letter of the colour of the top ring on the lower left leg (1 letter)
5. The letter of the colour of the bottom ring on the lower left leg (1 letter)
6. The letter of the colour of the top ring on the lower right leg (1 letter)
7. The letter of the colour of the bottom ring on the lower right leg (1 letter)

Example LO-BWWB. This bird has an orange ring on the left upper leg, a black ring on top of a white ring on the lower left leg and a white ring on top of a black ring on the lower right leg.

A detailed description can be found in Waderttrack

It is preferable to draw the rings in case of ring loss. The position of the metal ring and (incomplete) information on the code on the metal ring may provide valuable information on the identity of a bird. In color codes the positions of lost rings have an @ and positions of rings that could not be seen a ?.

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colour-letters (Beware, these are not the usual/standard abbreviations)

• B = Black
• G = Green
• O = Orange
• W = White
• Y = Yellow

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