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Great tit

Kohlmeise - Great tit - Carbonero común - Chapim-real - Bogatka zwyczajna

Parus major

The bird has a black head with a prominent white cheek, a greenish back, a blue wing with a prominent white bar, and a yellowish belly.
By � Francis C. Franklin / CC-BY-SA-3.0, CC BY-SA 3.0, Link