Songbird vs Nonpasserine - What's the difference?

songbird | nonpasserine |

As a noun songbird

is a bird having a melodious song or call.

As an adjective nonpasserine is

not passerine.

Passerine vs Nonpasserine - What's the difference?

passerine | nonpasserine |

As adjectives the difference between passerine and nonpasserine

is that passerine is of, or relating to a passerine or perching bird while nonpasserine is not passerine.

As a noun passerine

is any bird of the order passeriformes, which comprises more than half of all bird species.