Terns

species:

Caspian Tern

scientific name:

Hydroprogne caspia

notes:

Yellow ring with a black three alpha code.

note 1 : used codes are Cxx, Fxx, Jxx, Kxx, Lxx, Uxx and Vxx. and for the year 2015-2020 : Mxx, Nxx, Uxx, Pxx, Sxx, Txx.

note 2 : up to 2014, a total of 730 rings were delivered since 2008-2014.

note 3 : in 2022 we have planned to take also codes Wxx, Xxx, Yxx and Zxx into use as well as also alpha-numeric rings starting with letters C and F (A is already in use in another project and letters not used are : B, D and E.
Also combinations of numbers/letters in all possible orders, i.e. "C/letter/number", "C/number/letter", "C/number/number" & the same for F.
See project : https://cr-birding.org/node/6042

note 4 :

website sighting submit:

Report form for Finnish ring recoveries.

email sighting submit:

colour-ring type:

Legring : one, coded.

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

Yellow [Y]

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

Three alpha code (3 letters).

countries where ringed:

Finland.