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Alauda is a genus of larks found across much of Europe, Asia and in the mountains of north Africa...
The current genus name is from Latin alauda, "lark".

1/ Oriental skylark (Alauda gulgula), also known as the small skylark,
eastern skylark, Indian skylark and lesser skylark.
The meaning of the specific epithet gulgula is uncertain but is perhaps a reference to the song as gula is Latin for "throat" or may be the color of the "gulgula" or a sweet.

Larks are passerine birds of the family Alaudidae.

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. 

Plocealauda is a genus of larks in the family Alaudidae. 
Introduced in 2023, the genus contains five species that were formerly placed in the genus Mirafra. 
Their distributions range from the Indian subcontinent to Southeast Asia.

The genus Plocealauda contains five species, all of which include "bush lark" in their English name.

1/ Indochinese bush lark (Sơn ca Đông Dương, Plocealauda erythrocephala) or Indochinese lark
The prefix erythr- or erythro- means red or reddish. It is derived from the Greek word eruthros meaning red.
cephalo- or cephal-N ew Latin, from Greek kephalo-, from kephalē, head

2/ Bengal bush lark (Sơn ca Thái lan, Plocealauda assamica) or Bengal lark, rufous-winged lark

Alaudidae is from Alauda for lark in Latin.
The genus name Plocealauda is a portmanteau of the genera Ploceus and Alauda:
 - The word Ploceus comes from the New Latin word plokeus, which is derived from the Ancient Greek word plekein (πλεκειν), meaning "to plait," "to weave," or "to braid". The Greek word plokeus (πλοκευς) itself means "weaver" or "plaiter". 
 - The term Alauda is Latin for "lark" or "skylark". It comes from Gaulish, a Celtic language, and is the genus name for skylarks.