Broad-billed sandpiper (Rẽ mỏ rộng, Calidris falcinellus)
Some research suggests that it should rather go into the genus Philomachus.

The broad-billed sandpiper (Calidris falcinellus) is a small, wading bird of the family Scolopacidae.
This bird species is strongly migratory, spending the non-breeding season from easternmost Africa, through south and south-east Asia to Australasia.

Charadriidae, Charadrius: Late Latin word for a yellowish bird mentioned in the fourth-century Vulgate; from Ancient Greek kharadrios a bird found in ravines and river valleys (kharadra, "ravine").

The word Scolopacidae is New Latin, derived from the genus name Scolopax (Latin for "snipe" or "woodcock") and the common zoological suffix for family names, -idae.

The genus name Calidris is from Ancient Greek kalidris or skalidris, a term used by Aristotle for some grey-coloured waterside birds.
The specific name falcinella is from falx, falcis, "a sickle.