Dark-Necked Tailorbird
Black-necked Tailorbird (Chích bông cánh vàng, Orthotomus atrogularis)

The dark-necked tailorbird (Orthotomus atrogularis) is a songbird species of the family Cisticolidae.
The bird is found in Bangladesh, Northeast India and Southeast Asia.

The name Cisticoladae from Cisticola, which is from Ancient Greek kisthos, "rock-rose", and Latin colere, "to dwell". ... cisticola).
Orthotomus: from the Ancient Greek orthotomeō, meaning 'to cut straight'.
atrogularis Latin ater: black; Latin: gularis -throated (Latin gula throat).