Terns

species:

Sandwich Tern

scientific name:

Thalasseus sandvicensis

notes:

White ring with black code.

note 1 : used codes are AA-ZZ used in the Ebro Delta.

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):

Two alpha code (2 letters).

countries where ringed:

Spain.