Thrushes

species: 
Common Blackbird
scientific name: 
Turdus merula
notes: 

Black ring with a white three alpha-numeric code (on left leg) and metal ring (on right leg).

note 1 : the birds are marked with a nlack or a white or a yellow c-ring with a white 3 alphanumeric code, respectively a black inscription, on the left leg and the metal ring on the right leg.
note 2 : the project studies the effects of light pollution on blackbirds on a light gradient ranging from the riparian forest to the city centre.
note 3 : some birds carry a radio transmitter.
 

email sighting submit: 
colour-ring type: 
Legring : one, coded.
colour-ring colour (of the c-ring): 
Black (Niger) [N]
colour-ring code (of the c-ring): 
Three alpha-numeric code (3 letters/numbers).
colour-ring position (of the c-ring): 
Tarsus left.
countries where ringed: 
Germany.