House Sparrow

Red ring with a white 3 alpha code (on left leg) and metal ring (on right leg).

note 1 : codes start with "L".

note 2 : birds ringed in county Norfolk, UK.

note 3 :

Combination of 3 c-rings : 2 c-rings (on right leg) and 1 c-ring and metal ring (on left leg).

note 1 : birds ringed in Glamorgan, Wales, UK.

note 2 :

White ring with a black 3 alpha-numeric code (on left tarsus) and metal ring (on right tarsus).

note 1: Code is a letter followed by 2 numbers eg A01.

note 2: Part of a BTO re-trapping adults for survival (RAS) study.

note 3: Scheme running since 2010 in the Askernish area of South Uist, Scotland.

note 4: Approximately 100 birds ringed per year.

note 5: Another scheme in Cornwall, England, uses same combination: http://www.cr-birding.org/node/1551
 

Red ring with a white 3 alpha code (on left leg) and metal ring (on right leg).

note 1 : birds ringed in county Oxfordshire, UK.

note 2 : code starts with A.

Black ring with a white 3 alpha-numeric code (on left leg) and metal ring (on right leg).

note 1 : codes used (2013 to 2019): A01-A99, B01-99, C01-99, D01-99, F01-99, H01-99, J01-99, K01-99.

note 2 : birds ringed in county Suffolk, UK.

note 3 :

Dark-blue ring with a white 2 alpha-numeric code (on left leg) and metal ring (on right leg).

note 1 : birds ringed in the UK, county Norfolk.

note 2 :

Orange ring with a black 3 alpha code (on right leg) and c-ring above metal ring (on left leg).

note 1 : birds ringed in the UK, county Hampshire.

note 2 : c-ring on left leg = colony marker (white, yellow, red, orange, blue).

note 3 : first letter A or B.

Orange ring with a black 2 alpha-numeric code (on right leg) and c-ring above metal ring (on left leg).

note 1 : birds ringed in the UK, county Hampshire.

note 2 : c-ring on left leg = colony marker (white, yellow, red, orange, blue).

Red ring with a white 2 alpha-numeric code (on left leg) and metal ring (on right leg).

note 1 : birds ringed in the UK, county Norfolk.

note 2 :

Black ring with a white 2 alpha code (on left leg) and metal ring (on right leg).

note 1 : birds ringed in the village of Skeld on the west side of Shetland, UK to study a probable isolated population of this species.