Crows

species:

Rook

scientific name:

Corvus frugilegus

notes:

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

note 1 : birds ringed in UK, county Cambridgeshire.

note 2 : used colours are white, green, yellow, orange, red, blue, silver; red, blue and green with white stripe.

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colour-ring type:

Legrings : combination of uncoded.

countries where ringed:

United Kingdom.