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Black-bellied malkoha 
(Phướn nhỏ, Phaenicophaeus diardi)

The black-bellied malkoha (Phaenicophaeus diardi) is a species of malkoha in the family Cuculidae. 
The bird is found in Brunei, Indonesia, Malaysia, Myanmar, Singapore, and Thailand. 

Traits:
- Gray-hooded, grey-hooded;
- Red-around-eye, red facial skin, red-faced;

The English name Malkoha is derived from the Sinhala word for the red-faced malkoha; mal-koha meaning flower-cuckoo. 
The genus name Phaenicophaeus is derived from the Ancient Greek: phoiniko- crimson, and phaes meaning "eyes" or "face", referring to the red-faced malkoha. 
diardi New Latin, formed as the genitive singular of a Latinization of Diard, after Pierre-Médard Diard (1794–1863), French naturalist and explorer.

Green-billed malkoha 
(Phướn lớn, Phaenicophaeus tristis)

The green-billed malkoha (Phaenicophaeus tristis) is a species of non-parasitic cuckoo found throughout Indian Subcontinent and Southeast Asia. 
The bird is found across south Asia east from Nepal, India, and Sri Lanka to the Southeast Asia.

Traits:
- Gray-hooded, grey-hooded;
- Red-around-eye, red facial skin, red-faced;

The English name Malkoha is derived from the Sinhala word for the red-faced malkoha; mal-koha meaning flower-cuckoo. 
The genus name Phaenicophaeus is derived from the Ancient Greek: phoiniko- crimson, and phaes meaning "eyes" or "face", referring to the red-faced malkoha.
tristis sad, unhappy, melancholy.

Phaenicophaeus is a genus of 6 species of cuckoos in the family Cuculidae. The birds are mostly known as Malkoha. 
The English name is derived from the Sinhala word for the red-faced malkoha; mal-koha meaning flower-cuckoo. 
The genus name is derived from the Ancient Greek: phoiniko- crimson, and phaes meaning "eyes" or "face", referring to the red-faced malkoha. 

1/ Black-bellied malkoha (Phướn nhỏ, Phaenicophaeus diardi)
diardi New Latin, formed as the genitive singular of a Latinization of Diard, after Pierre-Médard Diard (1794–1863), French naturalist and explorer.

2/ Green-billed malkoha (Phướn lớn, Phaenicophaeus tristis)
tristis sad, unhappy, melancholy