Terns

species: 
Sandwich Tern
scientific name: 
Thalasseus sandvicensis
notes: 

Dark-blue ring with a white three numeric code (on one leg) and metal ring (on the other leg).

note 1 : the project started 2023.

note 2 : used codes are 751-999.

note 3 : birds are ringed on Hallig Norderoog, Germany.

note 4 : the rings are used on both nestlings and breeding adults.

note 5 :

email sighting submit: 
email sighting submit (2): 
contactperson: 
Ulrich Knief and Matthias Haupt
colour-ring type: 
Legring : one, coded.
colour-ring colour (of the c-ring): 
Dark Blue [B]
colour-ring code (of the c-ring): 
Three numeric code (3 numbers).
countries where ringed: 
Germany.