Mirafra is a genus of lark in the family Alaudidae. Some Mirafra species are called "larks", while others are called "bush larks". 
They are found in Africa except for the singing bush lark that is found through South Asia to Australia.

1/ Singing bush lark or Horsfield's bush lark (Sơn ca Java, Mirafra javanica)

Alaudidae is from Alauda for lark in Latin.
The exact etymological origin of "Mirafra" is unknown, but the Latin root "mirus" (meaning "wonderful" or "wondrous") is a possibility, as the name is given to a genus of larks, birds known for their song.