What is that warbler with a grey cap and white eyerings in Vietnam?
1/ Alström's warbler
- Bright eyerings;
- Grey cap and nape with two black stripes on the two sides;
- Olive-green with yellow tone face;
- Olive green back with dark grey at the wing tips;
- Yellow underparts;
- No wingbars.
2/ Martens's warbler
3/ Gray-crowned warbler
- Not quite bright eyerings;
- A thin break at the rear of the eyering.
4/ White-speckled warbler
- Bright eyerings;
- Some have a grey face;
- Mostly olive green back;
- One wing bar.
5/ Bianchi's warbler
- Bright eyerings;
- One wing bar.
6/ Grey-cheeked warbler
- Eyering has a wide break on the upper side;
- Grey throated;
- Head head.
What is that raptor bird in Vietnam with reddish-browned back?
It is quite definitive the Common Kestrel or Eurasian Kestrel.
Further identification features:
- Black scaly patterns or chevrons all over the body (underparts and upperparts);
- Clear black marks from the eyes alongside the sides of the neck which look like 'tears'.
The difference between the White-hooded Babbler and the Collared Babbler:
1/ White-hooded Babbler: not clear mark between the neck and the breast.
2/ Collared Babbler: well-defined colors between the neck and the breast.
The difference between the Painted Stork and the Milky Stork in Vietnam:
1/ Painted Stork
- Painted stork has 'stain' like paint on the rump and upper tailcoverts.
- Some individuals have ashy-browned colors.
2/ Milky Stork
- Some individuals have ashy colors.
The difference between the Grey-bellied Tesia and the Slaty-bellied Tesia:
1/ Grey-bellied Tesia
- Black and yellowish-green eyebrow
2/ Slaty-bellied Tesia
- Black and olive and yellowish crown, no yellowish stripe.
What is that raptor bird in Vietnam with reddish-browned thighs?
It is Eurasian hobby.
Further identification features:
- Black or reddish-black upperparts;
- Clear black marks from the eyes alongside the sides of the neck which look like 'tears' (or moustaches).
What is that duck in Vietnam with broad and glossy dark-green (teal) eyeline?
1/ Eurasian teal (Anas crecca), common teal, or Eurasian green-winged teal
What is that water bird in Vietnam with red eyes?
1/ Black-necked grebe or eared grebe (Podiceps nigricollis)
What is that bird in Vietnam with red eyes?
1/ Asian koel (Eudynamys scolopaceus)
2/ Spangled drongo (Dicrurus bracteatus)
3/ Ashy drongo (Dicrurus leucophaeus)
4/ Little bronze cuckoo (Chalcites minutillus)
What is that bird in Vietnam with yellow eyes?
1/ cuckoo, common cuckoo, European cuckoo or Eurasian cuckoo (Cuculus canorus)
2/ Pond herons
3/ Thick-knees (stone-curlews)
What that bird in Vietnam with yellow eyerings?
1/ northern hawk-cuckoo or rufous hawk-cuckoo (Hierococcyx hyperythrus)
2/ Hodgson's hawk-cuckoo (Hierococcyx nisicolor), also known as the whistling hawk-cuckoo
3/ lesser cuckoo (Cuculus poliocephalus)
4/ Himalayan cuckoo or Oriental cuckoo (Cuculus saturatus)
5/ cuckoo, common cuckoo, European cuckoo or Eurasian cuckoo (Cuculus canorus)
6/ Oriental cuckoo or Horsfield's cuckoo (Cuculus optatus)
7/ Little-ringed plover
8/ Eurasian sparrowhawk
The difference between the Common Redshank and the Spotted Redshank in Vietnam:
1/ Common Redshank
- Red bill at the base on both mandibles;
- White edge on the lower edge of the wings in flight.
2/ Spotted Redshank
- Red bill at the base on the lower mandible;
- Breeding ones have dark colors all over the body;
- Plain, dark wings with no white trailing edge.
