The difference between the Lesser Yellownape and the Greater Yellownape:
1/ Lesser Yellownape
- Head: with red colors;
- Underparts: Barred with white and gray;
2/ Greater Yellownape
- Head: without red colors;
- Underparts: all gray;
The difference between the Hodgson's Hawk-Cuckoo and the Large Hawk-Cuckoo:
1/ Hodgson's Hawk-Cuckoo
- Smaller size, shorter tail in comparison with the body;
- Patterned back with warm coloration (reddish brown);
- Not well-defined streaks on the underparts;
2/ Large Hawk-Cuckoo
- Bigger size and longer tail compared to the body;
- Plain dark brown back (adult) or patterned back with gray and dark colors (juvenile), not warm coloration (juvenile);
- Well-defined, clear streaks on the breast and/or underparts;
The difference between the Spotted Dove and the Oriental Turtle-Dove:
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.
The male of either of these two birds has an orange breast and the female has green mostly.
The birds in Vietnam with black eyeline could be:
1/ Pied triller (Lalage nigra)
2/ Some shrikes
3/ Some pittas
4/ Some barbets
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 identify the dark blue-and-orange niltavas in Vietnam?
These two birds are very similar with golden cap and throat, red front, green body with some parts blue...
The difference between the Golden-throated Barbet and the Necklaced Barbet:
1/ Golden-throated Barbet
- Uniform color on the cheek and lower throat.
2/ Necklaced Barbet
- Necklace line at the base of the throat.
The birds in Vietnam with black upperparts and white underparts could be:
1/ Jerdon's Bushchat
Saxicola jerdoni
Male
2/ Black-winged flycatcher-shrike (Hemipus hirundinaceus)
If we consider the hood of a bird including the head, the neck and throat, then what is the name of the bird in Vietnam with a white hood?
1/ White-headed Bulbul
Hypsipetes thompsoni
2/ Collared Babbler
Gampsorhynchus torquatus
3/ White-hooded babbler (Gampsorhynchus rufulus)
4/ White-crested Laughingthrush
Garrulax leucolophus
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
