Warblers

species: 
Chiffchaff
scientific name: 
Phyloloscopus collybita
notes: 

Yellow ring with a black two alpha code (on one leg) and metal ring (on the other leg).

note 1 :

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 code (2 letters).
countries where ringed: 
Czech Republic.