A songbird belongs to the clade  Passeri (lat. Passeriformes). The name Passeriformes is performed from the Latin name for the sparrow (Passer). This is the bird that is by the number of species  the richest in the Aves class. There are over 5,000( around 5,300) species all over the world. Singing Nightingale Source Singing Nightingale … Continue reading Songbird More