Terns

species:

Common Tern

scientific name:

Sterna hirundo

notes:

Orange ring with a a black three alphanumeric code (two numerics and letter K that might be on positions: nKn, nnK, where "n" is a digit 0-9) (on left leg) and metal ring (on right leg).

note 1 : used codes are :
K01-K16 (stop using)
0K0- 9K9
00K-99K

note 2 :

email sighting submit:

colour-ring type:

Legring : one, coded.

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

Orange [O]

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

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

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

Tarsus left.

countries where ringed:

Croatia.