Terns
species:
Caspian Tern
scientific name:
Hydroprogne caspia
notes:
Yellow ring with a black three alpha-numeric code.
note 1 : in 2022 used codes are : 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.
used conibinations are :
C / letter / number
C / number / letter
C / number / number
F / letter / number
F / number / letter
F / number / number
note 2 :
website sighting submit:
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-numeric code (3 letters/numbers).
countries where ringed:
Finland.
