Ducks

species: 
Common Teal
scientific name: 
Anas crecca
notes: 

Yellow or lime (light-green) nasal saddle with a black 1 or 2 alpha-numeric code or symbol.

note 1 : colours of the nasal marks are different from the next project ; they are yellow at the Camargue and lime-green at the Loire and Seine Estuary.

note 2 : used codes are 1 or 2 black alpha-numeric code or symbol (letter, number, + , = , squares , triangles) and they are identical on both sides of the bill.

note 3 : code is a large letter (in front) and two lateral signs.

note 4 :

email sighting submit: 
email sighting submit (2): 
colour-ring type: 
Nasal saddle.
colour-ring colour (of the c-ring): 
Yellow [Y]
colour-ring code (of the c-ring): 
Two alpha-numeric code (2 letters/numbers).
countries where ringed: 
France.
Images: