Ducks

species: 
Common Teal
scientific name: 
Anas crecca
notes: 

Lime (pale-green) nasal saddle with code (1 or 2 black symbols).

note 1: these birds are marked at the Loire and Seine Estuary.

note 2 : used codes are 1 or 2 black symbols (letters, numbers, + , = , 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): 
website information: 
Teal research program
colour-ring type: 
Nasal saddle.
colour-ring colour (of the c-ring): 
Light Green (Lime) [L]
colour-ring code (of the c-ring): 
Two alpha-numeric code (2 letters/numbers).