Grey-headed swamphen 
(Porphyrio poliocephalus) 
or Gray-headed swamp hen
Trích cồ

The grey-headed swamphen (Porphyrio poliocephalus) is a species of swamphen occurring from the Middle East and the Indian subcontinent to southern China and northern Thailand.

Gruiformes, Gruidae: from the Latin word grus meaning "crane".
Rallidae: from rallus new Latin for rail, an aquatic bird.
The genus name Porphyrio is the Latin name for "swamphen", meaning "purple".
poliocephalus: Greek polios grey; -kephalos -headed.