Masked finfoot or Asian finfoot 
(Chân bơi, Heliopais personatus) 

The masked finfoot or Asian finfoot (Heliopais personatus) is a bird of the finfoot family.
This bird species is highly endangered aquatic bird. It was once distributed throughout the fresh and brackish wetlands of the eastern Indian subcontinent, Indochina, Malaysia and Indonesia.

Gruiformes is a Neo-Latin taxonomic term meaning "crane-like," derived from the Latin grus (genitive gruis), meaning "crane," and forma, meaning "shape, form, or kind".

Heliornithidae are a small family of tropical birds with webbed lobes on their feet like those of grebes and coots. The family overall are known as finfoots, although one species is known as a sungrebe.

The family name Heliornithidae is from Heliornis (the genus for the Sungrebe) is a scientific name derived from Ancient Greek, meaning "sun bird": Greek Heli and Greek ornis meaning bird.

The genus name Heliopais is derived from Ancient Greek, meaning "child of the sun." It combines helios (ἥλιος), meaning "sun," and pais (παῖς), meaning "child".

Personatus is a Latin adjective meaning "masked," "assumed," or "pretended". Derived from persona (mask/character), it describes something concealed, often used in scientific names to denote a dark facial mark or disguise. It is closely related to the Ancient Greek prósōpon (πρόσωπον), which means "face" or "theatrical mask".