Terns
species: 
Sandwich Tern
scientific name: 
Thalasseus sandvicensis
notes: 
White ring with a black three numeric code (on one leg) and metal ring (on the other leg).
note 1 : the project started 2024.
note 2 : used codes are 751-999.
note 3 : birds were 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, Matthias Haupt 
colour-ring type: 
Legring : one, coded.
colour-ring colour (of the c-ring): 
White [W]
colour-ring code (of the c-ring): 
Three numeric code (3 numbers).
countries where ringed: 
Germany.

