Vietnam Birding

The male of either of these two birds has an orange breast and the female has green mostly.

The difference between Pale Blue, Blue-and-White, Hainan Flycatchers in Vietnam:

1/ Pale Blue Flycatcher
Cyornis unicolor
The male have light blue upper parts and very light blue and white lower parts.
The female have gray-brown colors, lack of warm coloration.

2/ Blue-and-white Flycatcher
Cyanoptila cyanomelana

The male have black face, black throat, black breast, royal blue upperparts.
The female have brown upperparts.

3/ Hainan Blue Flycatcher
Cyornis hainanus
The male have sapphire-blue upperparts, and sapphire-blue face. Some are with sapphire-blue throat or white throat or orange throat. Some are with black wings.
The female have orange breast and brown with warm tint uppperparts

Both these two birds could have brownish head, rufous head or reddish brown head.

The difference between Rufous-headed Parrotbill and Short-tailed Parrotbill in Vietnam:

1/ Rufous-headed parrotbill (Paradoxornis bakeri), or greater rufous-headed parrotbill,

- Longer tail length per body;

- Whitish or beighe throat

2/ Short-tailed parrotbill (Suthora davidiana)

- Shorter tail length per body;

- Black throat

The difference between the Scarlet Minivet and the other colorful minivets in Vietnam:

1/ Scarlet Minivet:

Wings are blotched with the bright color (either red or yellow which is disjunct from the black or grey color).

Female has the front yellow.

2/ Other Minivets

The bright color is not blotched, but adjunct or connected

The difference between the Spotted Dove and the Oriental Turtle-Dove:

The Square-tailed Drongo-Cuckoo is a cuckoo but it looks similar to many drongo species. These birds are mostly distinguished by the areas with glossy hair and those with velvet (without gloss) hair: the face, the head, the hood. In forests with thick canopy lacking light and quick sighting, this is often quite tricky.

These two birds are very similar white black face, white cheek, black throat, chestnut back.

The difference between the White-cheeked Laughingthrush and the Black-throated Laughingthrush:

How to differenciate the Black Drongo and the Bronzed Drongo in nature in Vietnam:

1/ Black Drongo: consistent black color, slightly bigger in size

2/ Bronzed Drongo: there is an area from the cape to the wings with black sheen, glossiness; the face is black surrounded by black glossiness.

What is that flycatcher in Vietnam with dark primaries?
The outer edge of the wings has visibly darker colors compared to the inner of the wing: the primaries are darker than the other feathers of the wings.

1/ Brown-breasted flycatcher or Layard's flycatcher (Muscicapa muttui)

How to identify Gray-eyed Bulbul in Vietnam?

- Grey-eyed;
- White or whitish puffed throat;
- Unique feathers on the front, the crown and the nape which look like a low crest;
- Some have a rufous or reddish brown, or yellowish vent.

The Indian Cuckoo, the Common Cuckoo and the Oriental Cuckoo all may have a gray head, bill with yellow color to the base, yellow legs which make them very hard to be identified in the wild. They have distinctive sounds but we do not hear their songs and calls that often.

How to identify the dark blue-and-orange niltavas in Vietnam?

How to identify the Thick-billed Green-Pigeon from other green-pigeons in the wild in Vietnam?
- Greenish bill with red base;
- Broad bluish-green eye ring.

Leaf warblers are warblers of the genus phylloscopus, of the family Phylloscopidae.
Most leaf warblers have wingbars and what is that leaf warbler in Vietnam without wingbar?

1/ Tickell's leaf warbler (Phylloscopus affinis)

2/ Radde's warbler (Phylloscopus schwarzi)

3/ Yellow-streaked Warbler
Phylloscopus armandii

4/ Dusky warbler (Phylloscopus fuscatus) 

5/ Buff-throated Warbler
Phylloscopus subaffinis

6/ Gray-hooded Warbler
Phylloscopus xanthoschistos

Vietnam possesses an amazing avifauna that is surprising to quite a few birding enthusiasts and ornithologists. The country has diverse terrain and has the territory stretching in different climatic zones which helps to make the favorable habitats for different bird species. 

The birds in Vietnam without tail (or with tail too short to be seen) could be:

1/ Pygmy cupwing (Pnoepyga pusilla) or pygmy wren-babbler

2/ Grey-bellied tesia (Tesia cyaniventer)

3/ White-browed piculet (Sasia ochracea)

4/ King quail (Synoicus chinensis), also known as the blue-breasted quail, Asian blue quail

5/ Japanese quail (Coturnix japonica), also known as the coturnix quail

What is that scaly bird in Vietnam?

1/ Rock thrushes (Monticola)
Female)

2/ Scaly thrush, White's thrush...  (Zoothera)

3/ Green-legged partridge (Tropicoperdix chloropus), also known as the scaly-breasted partridge or green-legged hill-partridge

The yellow-vented birds in Vietnam could be:

1/ Yellow-vented green pigeon (Treron seimundi), 
also known as Seimunds's Pintail Pigeon

2/ Yellow-vented bulbul (Pycnonotus goiavier), 
or eastern yellow-vented bulbul,

3/ Yellow-vented warbler (Phylloscopus cantator) 

4/ Yellow-vented flowerpecker (Pachyglossa chrysorrhea)

5/ Sooty-headed bulbul (Pycnonotus aurigaster)
Only some individuals have a yellow vent, some have red vent.

6/ Brown-breasted bulbul (Pycnonotus xanthorrhous)

What is difference between the Laced Woodpecker, Grey-headed Woodpecker in Vietnam?

These two woodpeckers are quite similar: gray face, black cap, red front...But the key differences are

1/ Laced Woodpecker (Gecinulus grantia)
Streaked belly.
If having red, then the red covers: front, cap, nape.
Stripes on the edge of the wing are horizontal compared to the body.

2/ Grey-headed Woodpecker (Micropternus brachyurus)
Gray, or whitish or yellowish belly.
If having red color, then the red only covers the front.
Stripes on the edge of the wing are vertical compared to the body.

What is difference between the Pale-headed Woodpecker, Rufous Woodpecker, Bay Woodpecker in Vietnam?

1/ Pale-headed Woodpecker (Gecinulus grantia)
Some with reddish front, the others with light olive-green head, rufous (reddish) wings.

2/ Rufous Woodpecker (Micropternus brachyurus)
Consistent color: either stripes of dark brown and black or rufous (reddish) and black

3/ Bay Woodpecker(Blythipicus pyrrhotis) 
Gray head or light rufous head,

Some with red color on the lower nape,

Dark (and striped) mantle,
Rufous, reddish (and striped with dark color) wings,