Terns

species:

Gull-billed Tern

scientific name:

Sterna nilotica

notes:

White ring with a black three alpha-numeric code (letter/number/number) (on right tarsus) and metal ring (on left tibia).

note 1 : this ringing scheme started in 2021 and c-rings are deployed on the right tarsus while metal rings are deployed on left tibia.

note 2 : starting letters are R, V and T for chicks (A and H will be used later), and L for adults. Codes are used like T00 - T99 (leading letter followed by 2 digit numbers).

note 3: the following starting letters were used: R (2021-2022), V (2022-2024), T (2024) and L (2024)

note 4 : First letter/number (of the c-ring) : R / V / T / L (used since and including 2024) H / A (for future use).

note 5 :

email sighting submit:

colour-ring type:

Legring : one, coded.

colour-ring colour (of the c-ring):

White [W]

colour-ring code (of the c-ring):

Three alpha-numeric code (3 letters/numbers).

colour-ring position (of the c-ring):

Tarsus right.

countries where ringed:

Germany.

Images:

First letter/number (of the c-ring):

R or V or T or L