This is an immature (°) hawfinch, a passerine bird with a massive beak that inhabits forests as long as there is a source of water in the vicinity.
Dutch name : Appelvink
German name : Kernbeisser
Latin name : Coccothraustes coccothraustes coccothraustes
(°) : immature is the stage between juvenile and adult
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A big thanks to [fc-user:1423237] for the nomination of this picture.