Sparrows

species: 
Eurasian Tree Sparrow
scientific name: 
Passer montanus
notes: 

Yellow ring with black two alpha-numeric code (number/letter or number/letter) (on left leg) and metal ring (on right leg).

note 1 : used letters/numbers are : A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W, X, Y, Z, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9.

note 2 : 1700 birds ringed between 2018-2023 in Burgenland, Austria.

note 3:

email sighting submit: 
colour-ring type: 
Legring : one, coded.
colour-ring colour (of the c-ring): 
Yellow [Y]
colour-ring code (of the c-ring): 
Two alpha-numeric code (2 letters/numbers).
colour-ring position (of the c-ring): 
Tarsus left.
countries where ringed: 
Austria.
Images: