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The genus Leioptila includes a single species of passerine birds in the family Leiothrichidae.

Leioptila leio From Ancient Greek λεῖος (leîos, “smooth”). ptila/ptilo feather.

1/ Rufous-backed sibia (Khướu lùn lưng hung, Leioptila annectens)
formerly placed in the genus Heterophasia or Minla.

Leiothrix is a genus of passerine birds in the family Leiothrichidae.
They belong to a clade also containing at least the liocichlas, barwings, minlas and sibias. The sibias are possibly their closest living relatives.
The genus name combines the Ancient Greek leios meaning "smooth" and thrix meaning "hair".

1/ Red-billed leiothrix (Kim oanh mỏ đỏ, Leiothrix lutea) 
The specific epithet lutea is from Latin luteus meaning "saffron-yellow".

2/ Silver-eared mesia (Kim oanh tai bạc, Leiothrix argentauris)

Leptocoma is a genus of sunbirds found from tropical South Asia to Papua New Guinea. Its members are sometimes included in Nectarinia.
The name Leptocoma combines the Ancient Greek words leptos "delicate" or "fine" and kome "hair".

1/ Purple-throated sunbird (Hút mật họng hồng, Leptocoma sperata)
Earlier considered conspecific with Van Hasselt's sunbird (Leptocoma brasiliana)
The specific name sperata is Latin for "bride" or "betrothed".

2/ Copper-throated sunbird (Hút mật lưng đen, Leptocoma calcostetha)
The species name calcostetha originates from the words khalkos which means bronze; and stēthos which means breast.

3/ Van Hasselt's sunbird (Leptocoma brasiliana)
Hút mật họng hồng

The liocichlas are a group of birds in the genus of the same name, Liocichla, from the family Leiothrichidae.

1/ Red-faced liocichla (Khướu mặt đỏ, Liocichla phoenicea)

Lioparus is a genus of passerine birds in the family Paradoxornithidae of the order Passeriformes. 

1/ Golden-breasted fulvetta (Lách tách ngực vàng, Lioparus chrysotis)

Malacocincla is a genus of passerine birds in the family Pellorneidae.
The genus name Malacocincla combines the Ancient Greek malakos meaning "soft" with modern Latin cinclus, meaning "thrush"; referring to the birds' full and drooping plumage

1/ Abbott's babbler (Chuối tiêu mỏ to, Malacocincla abbotti)
The specific name abbotti was chosen by Blyth to honour the specimen collector, Lieutenant Colonel J. R. Abbott (1811–1888).

Malacopteron is a genus of passerine birds in the family Pellorneidae.
Pellorneum, Pellorneidae: combines the Ancient Greek pellos meaning "dark-coloured" with orneon meaning "bird".

1/ Scaly-crowned babbler (Chuối tiêu đuôi ngắn, Malacopteron cinereum)

The genus Minla is a passerine bird in the family Leiothrichidae of the order Passeriformes.

1/ Red-tailed Minla (Khướu lùn đuôi đỏ, Minla ignotincta)

Monarchidae is a bird family comprising passerine birds which includes shrikebills, paradise flycatchers, and magpie-larks.

Napothera is a genus of birds in the family Pellorneidae. Some of its species were formerly placed in the genera Rimator and Jabouilleia.

1/ Eyebrowed wren-babbler (Khướu đá nhỏ, Napothera epilepidota)

2/ Long-billed wren-babbler (Khướu đuôi cụt, Napothera, malacoptila)

3/ Short-tailed scimitar babbler (Khướu mỏ dài, Napothera danjoui) 

The family Nectariniidae of passerine birds includes sunbirds and spiderhunters of the order Passeriformes.

The Old World orioles (Oriolidae) are an Old World family of passerine birds.
"Oriole" derives from the Latin word aureolus meaning "golden".

The family Oriolidae comprises the piopios, figbirds, pitohuis and the Old World orioles.

Paradoxornis is a genus of passerine birds in the family Paradoxornithidae of the order Passeriformes.

1/ Spot-breasted parrotbill (Khướu mỏ dẹt cằm đen, Paradoxornis guttaticollis)

2/ Grey-headed parrotbill (Khướu mỏ dẹt đầu xám, Paradoxornis gularis)

3/ White-breasted parrotbill (Khướu mỏ dẹt to, Paradoxornis ruficeps)

4/ Black-headed parrotbill 
(Paradoxornis margaritae)
Khướu mỏ dẹt đầu đen

The parrotbills are a family, Paradoxornithidae, of passerine birds that are primarily native to East, Southeast and South Asia, with a single species in western North America, though feral populations exist elsewhere. 

Parayuhina is a genus of birds in the white-eye family Zosteropidae.

1/ White-collared yuhina (Khướu mào cổ trắng, Parayuhina diademata)

Old World sparrows, also known as true sparrows, are a group of small passerine birds forming the family Passeridae.

A passerine is any bird of the order Passeriformes (from Latin passer 'sparrow' and formis '-shaped'), which includes more than half of all bird species.

The jungle babblers are a family, Pellorneidae, of mostly Old World passerine birds.
Pellorneidae used to be one of four subfamilies of the family Timaliidae (tree- and scimitar-babblers), but was then elevated to its own family rank in 2011 based on molecular markers.

Pellorneum, Pellorneidae: combines the Ancient Greek pellos meaning "dark-coloured" with orneon meaning "bird".

Pittas are a family, Pittidae, of passerine birds found in Asia, Australasia and Africa.

Ploceidae is a family of small passerine birds, many of which are called weavers, weaverbirds, weaver finches, or bishops.

Ploceidae, Ploceus: from Ancient Greek plokeus meaning "weaver" derived from the Greek word pleko "to entwine".