Common Blackbird

Orange ring with a black two alpha-numeric code (on left leg) and metal ring (on right leg).

note 1 : birds ringed in the UK, Wales.

Combination of:
* red ring with a white code/letter "X" above metal ring (on left leg)
* 2 c-rings (on right leg).

note 1 : birds ringed in the UK.

note 2 :

Dark-blue ring with white three alpha-numeric code (letter/letter/number) (on right tarsus) and metal ring (on left tarsus).

note 1 : birds are ringed in Western Pomerania region in NW Poland.

note 2 : 

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.
 

Yellow ring with a black three alpha-numeric code (onb left leg) and metal ring (on right leg).

note 1 : the birds are marked with a yellow or a white or a black c-rings with a black 3 alphanumeric code, respectively a white 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.
 

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

note 1 : the birds are marked with a white or a yellow or a black c-rings with a black 3 alphanumeric code, respectively a white 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.

note 4 :

Combination of 3 c-rings (on left leg) and 1 c-ring above metal ring (on right leg).

note 1 : c-ring on right leg is the marker and in 2012 is this red.
note 2 : birds ringed near Molenhoek, N-Limburg, The Netherlands.

Combination of :
* red ring with a white two alpha-numeric code.
* 1 c-ring (on right leg)
* metal ring (on left leg).

note 1 : the aim of this research is only to study the local urban population.

note 2 : details of the scheme are :
* left leg : metal ring  from the Ukrainian ringing center (seria E).
* right leg : red ring with a white two alpha code over a c-ring (plain blue, green, yellow, white). This ring means the distance from the center of the city to periphery of the Lviv city along urban gradient.

note 3 :

Yellow ring with a black two alpha-numeric code (on left leg) and metal ring (on right leg).

note 1 : birds ringed in the UK, Cardiff area, Wales.