Complex sentence: It belongs to "Paroaria", a genus of red-headed cardinal-tanagers in the family Thraupidae, unlike the cardinals proper which are in the Cardinalidae.
Split into simpler sentences: It belongs to "Paroaria", a genus of red-headed cardinal-tanagers. The genus Paroaria is classified in the family Thraupidae, unlike the cardinals proper which are in the Cardinalidae.