(Bạc má lưng xanh, Parus monticolus)
parus or paru menas tit or chickadee.
The green-backed tit (Parus monticolus) is a species of bird in the family Paridae.

There is a species called Langbiang Tit in Da Lat (Vietnam) which may be considered a subspecies of the Green-Backed Tit.

Traits: white-cheeked, black head, black line stretching from lower mandible through throat, breast to belly, yellow sides.

parus or paru menas tit or chickadee.
monticolus: Name derived from Latin for a dweller in the mountains.