Vietnam Adventure Tours & Travel, Trekking, Bird Watching, Cycling Tours

Chestnut-winged cuckoo 
or red-winged crested cuckoo (Khát nước, Clamator coromandus)
The chestnut-winged cuckoo or red-winged crested cuckoo (Clamator coromandus) is a cuckoo found in Southeast Asia and parts of South Asia.
The species is found from the western Himalayas to the eastern Himalayas and extends into Southeast Asia. It has been recorded from India, Nepal, China, Indonesia, Laos, Bhutan, Bangladesh, Cambodia, Thailand, Myanmar, Malaysia, Vietnam, Sri Lanka and the Philippines.

The name Clamator is Latin for "shouter" from clamare, "to shout".

Clamator is a genus of large brood-parasitic cuckoos with crests and graduated tails. The name Clamator is Latin for "shouter" from clamare, "to shout".

1/ Chestnut-winged cuckoo or red-winged crested cuckoo (Khát nước, Clamator coromandus)

Jacobin cuckoo, also pied cuckoo or pied crested cuckoo
(Clamator jacobinus)

The Jacobin cuckoo (Clamator jacobinus), also pied cuckoo or pied crested cuckoo, is a member of the cuckoo order of birds that is found in Africa and Asia. 
The bird is partially migratory.

Cuculiformes, Cuculidae derived from the Ancient Greek kokkyx (cuckoo) and Latin cuculus, which likely mimic the bird’s call. 

The name Clamator is Latin for "shouter" from clamare, "to shout".