Indochinese Silvered Langur, Germain's langur
Other names: Indochinese lutung, Germain's langur, Germain's silver langur, Indochinese leaf monkey, and Indochinese silvered langur.
Voọc bạc, or voọc Đông Dương 
Trachypithecus germaini caudalis

subspecies recognized:
- Trachypithecus germaini germaini
- Trachypithecus germaini caudalis

Germain's langur (Trachypithecus germaini) is an Old World monkey native to Thailand, Myanmar, Cambodia, Laos and Vietnam.

Cercopithecidae
Greek: kerkos tail;
Pithecia: From Ancient Greek πίθηκος (píthēkos, “monkey”) + -ia.
Trachypithecus: from Greek τραχύς, trachýs meaning "rough" and πίθηκος, píthekos meaning "monkey".

A herd of 8 Germain's langurs were spotted on 16-May-2024 at the Chu Mom Ray National Park in Sa Thay District, Kon Tum Province, Vietnam. The last time these langurs were spotted were 5 years ago.