Terns

species:

Common Tern

scientific name:

Sterna hirundo

notes:

Yellow ring with black 2 alpha-numeric code (letter followed by a number).

note 1 : birds are marked as pulls at the only colony in Northern Spain, located in the Bay of Santander (Cantabria).

note 2 : Codes used are A0, A1, A2....to Z9.

note 3 : 20-30 pullis could be ringed per year.

note 4 : by end-May some 11 pairs for 29 eggs were spotted.

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):

Two alpha-numeric code (2 letters/numbers).

countries where ringed:

Spain.