Loons

species:

Great Northern Loon

scientific name:

Gavia immer

notes:

Combination of colour-rings on both legs.

note 1 : used colours are dark-blue, yellow, green, white, red and orange.

note 2 : the project runs in the USA.

note 3 :

colour-ring type:

Legrings : combination of uncoded.

countries where ringed:

USA.