Vietnam Adventure Tours & Travel, Trekking, Cycling, Family Tours

Square-Tailed Drongo-Cuckoo 
(Cu cu đen, Surniculus lugubris) 

The square-tailed drongo-cuckoo (Surniculus lugubris) is a species of cuckoo that resembles a black drongo.

lugubris: mournful, doleful, plaintive, sinister...
culus: ass, arse, anus, 

Surniculus is a small genus of birds in the cuckoo family whose four members are found in tropical Asia and the Philippines. 

1/ Square-tailed drongo-cuckoo (Cu cu đen, Surniculus lugubris)