Terns

species: 
Sandwich Tern
scientific name: 
Thalasseus sandvicensis
notes: 

Yellow ring with a black three alpha-numeric code.

note 1 : used codes are T00-T99, 0T0-9T9, 00T-99T ... so always letter 'T' on various positions.

note 2 : birds ringed on the colony of 'Utopia' on Texel, The Netherlands end of June 2014, 15 and 16.

note 3 :

website sighting submit: 
European colour-ring Birding submit
email sighting submit: 
website information: 
Following Sandwich Terns through colour rings
colour-ring type: 
Legring : one, coded.
colour-ring colour (of the c-ring): 
Yellow [Y]
colour-ring code (of the c-ring): 
Three alpha-numeric code (3 letters/numbers).
countries where ringed: 
The Netherlands.
Images: