Cyril Ruoso / Cat Ba langur (Trachypithecus poliocephalus) adults, endemic to Cat Ba island, Ha Long Bay UNESCO World Heritage Site, Vietnam. Critically Endangered
01574922
Cyril Ruoso / Cat Ba langur (Trachypithecus poliocephalus) female with infant, endemic to Cat Ba island, Ha Long Bay UNESCO World Heritage Site, Vietnam. Critically Endangered
01574921
Cyril Ruoso / Cat Ba langur (Trachypithecus poliocephalus) females with infant, endemic to Cat Ba island, Ha Long Bay UNESCO World Heritage Site, Vietnam. Critically Endangered
01574920
Cyril Ruoso / Cat Ba langur (Trachypithecus poliocephalus) females with infant,endemic to Cat Ba island, Ha Long Bay UNESCO World Heritage Site, Vietnam. Critically Endangered
01574919
Cyril Ruoso / Cat Ba langur (Trachypithecus poliocephalus) female with infant Ha Long Bay UNESCO World Heritage Site, endemic to Cat Ba island, Vietnam. Critically Endangered
01574951
Cyril Ruoso / Cat Ba langur (Trachypithecus poliocephalus) female with infant, Ha Long Bay UNESCO World Heritage Site, endemic to Cat Ba island, Vietnam. Critically Endangered
01574950
Cyril Ruoso / Cat Ba langur (Trachypithecus poliocephalus) Ha Long Bay UNESCO World Heritage Site, endemic to Cat Ba island, Vietnam. Critically Endangered
01574949
Cyril Ruoso / Cat Ba langur (Trachypithecus poliocephalus) Ha Long Bay UNESCO World Heritage Site, endemic to Cat Ba island, Vietnam. Critically Endangered
01574948
Cyril Ruoso / Cat Ba langur (Trachypithecus poliocephalus) Ha Long Bay UNESCO World Heritage Site, endemic to Cat Ba island, Vietnam. Critically Endangered
01574947
Cyril Ruoso / Cat Ba langur (Trachypithecus poliocephalus) Ha Long Bay UNESCO World Heritage Site, endemic to Cat Ba island, Vietnam. Critically Endangered
01574946
Cyril Ruoso / Cat Ba langur (Trachypithecus poliocephalus) Ha Long Bay UNESCO World Heritage Site, endemic to Cat Ba island, Vietnam. Critically Endangered
01574945
Cyril Ruoso / Cat Ba langur (Trachypithecus poliocephalus) Ha Long Bay UNESCO World Heritage Site, endemic to Cat Ba island, Vietnam. Critically Endangered
01574944
Cyril Ruoso / Cat Ba langur (Trachypithecus poliocephalus) Ha Long Bay UNESCO World Heritage Site, endemic to Cat Ba island, Vietnam. Critically Endangered
01574943
Cyril Ruoso / Cat Ba langur (Trachypithecus poliocephalus) Ha Long Bay UNESCO World Heritage Site, endemic to Cat Ba island, Vietnam. Critically Endangered
01574942
Cyril Ruoso / Cat Ba langur (Trachypithecus poliocephalus) endemic to Cat Ba island, Ha Long Bay UNESCO World Heritage Site, Vietnam. Critically Endangered
01574941
Cyril Ruoso / Cat Ba langur (Trachypithecus poliocephalus) Ha Long Bay UNESCO World Heritage Site, endemic to Cat Ba island, Vietnam. Critically Endangered
01574940
Cyril Ruoso / Cat Ba langur (Trachypithecus poliocephalus) females and juveniles Ha Long Bay UNESCO World Heritage Site, endemic to Cat Ba island, Vietnam. Critically Endangered
01574939
Cyril Ruoso / Cat Ba langur (Trachypithecus poliocephalus) Ha Long Bay UNESCO World Heritage Site, endemic to Cat Ba island, Vietnam. Critically Endangered
01574938
Cyril Ruoso / Cat Ba langurs (Trachypithecus poliocephalus) Ha Long Bay UNESCO World Heritage Site, endemic to Cat Ba island, Vietnam. Critically Endangered
01574928
Cyril Ruoso / Cat Ba langur (Trachypithecus poliocephalus) Ha Long Bay UNESCO World Heritage Site, endemic to Cat Ba island, Vietnam. Critically Endangered
01574927
Cyril Ruoso / Cat Ba langur (Trachypithecus poliocephalus) female with infant on karst cliffs, Ha Long Bay UNESCO World Heritage Site, endemic to Cat Ba island, Vietnam. Critically Endangered
01574926
Cyril Ruoso / Cat Ba langur (Trachypithecus poliocephalus) juvenile, endemic to Cat Ba island, Ha Long Bay UNESCO World Heritage Site, Vietnam. Critically Endangered
01574925
Cyril Ruoso / Cat Ba langur (Trachypithecus poliocephalus) juvenile, endemic to Cat Ba island, Ha Long Bay UNESCO World Heritage Site, Vietnam. Critically Endangered
01574924
Cyril Ruoso / Cat Ba langurs (Trachypithecus poliocephalus) on cliffs, endemic to Cat Ba island, Ha Long Bay UNESCO World Heritage Site, Vietnam. Critically Endangered
00568124
Cyril Ruoso / Cat Ba Langur (Trachypithecus poliocephalus poliocephalus), Ha Long Bay, Cat Ba Island, Vietnam
00568120
Cyril Ruoso / Cat Ba Langur (Trachypithecus poliocephalus poliocephalus) females, Ha Long Bay, Cat Ba Island, Vietnam
00568119
Cyril Ruoso / Cat Ba Langur (Trachypithecus poliocephalus poliocephalus), Ha Long Bay, Cat Ba Island, Vietnam
00568118
Cyril Ruoso / Cat Ba Langur (Trachypithecus poliocephalus poliocephalus), Ha Long Bay, Cat Ba Island, Vietnam
00568116
Cyril Ruoso / Cat Ba Langur (Trachypithecus poliocephalus poliocephalus) feeding on leaves, Ha Long Bay, Cat Ba Island, Vietnam
00568115
Cyril Ruoso / Cat Ba Langur (Trachypithecus poliocephalus poliocephalus), Ha Long Bay, Cat Ba Island, Vietnam
00568114
Cyril Ruoso / Cat Ba Langur (Trachypithecus poliocephalus poliocephalus) male, Ha Long Bay, Cat Ba Island, Vietnam
00568113
Cyril Ruoso / Cat Ba Langur (Trachypithecus poliocephalus poliocephalus), Ha Long Bay, Cat Ba Island, Vietnam
00568111
Cyril Ruoso / Cat Ba Langur (Trachypithecus poliocephalus poliocephalus), Ha Long Bay, Cat Ba Island, Vietnam
00568110
Cyril Ruoso / Cat Ba Langur (Trachypithecus poliocephalus poliocephalus), Ha Long Bay, Cat Ba Island, Vietnam
00568108
Cyril Ruoso / Cat Ba Langur (Trachypithecus poliocephalus poliocephalus), Ha Long Bay, Cat Ba Island, Vietnam
00568107
Cyril Ruoso / Cat Ba Langur (Trachypithecus poliocephalus poliocephalus), Ha Long Bay, Cat Ba Island, Vietnam
00568106
Cyril Ruoso / Cat Ba Langur (Trachypithecus poliocephalus poliocephalus) females with young, Ha Long Bay, Cat Ba Island, Vietnam
01508391
Dong Lei / White-headed black langur (Trachypithecus poliocephalus leucocephalus) group on cliffs, Guangxi province, China, July. Critically endangered species.
01508383
Dong Lei / White-headed black langur (Trachypithecus poliocephalus leucocephalus) group on steep rock face, Guangxi province, China, July. Critically endangered species.
01508382
Dong Lei / White-headed black langur (Trachypithecus poliocephalus leucocephalus) mother carrying baby on cliffs Guangxi province, China, July. Critically endangered species.
01508381
Dong Lei / White-headed black langurs (Trachypithecus poliocephalus leucocephalus) in tree next to steep rock, Guangxi province, China, July. Critically endangered species.
01508377
Dong Lei / White-headed black langurs ( Trachypithecus poliocephalus leucocephalus) group on cliffs, Guangxi province, China, July. Critically endangered species.
00522109
Thomas Marent / White-headed Black Leaf Langur (Trachypithecus poliocephalus leucocephalus) troop with females with young on limestone karst cliff, Guangxi, China
00522105
Thomas Marent / White-headed Black Leaf Langur (Trachypithecus poliocephalus leucocephalus), Guangxi, China
01391186
Shibai Xiao / White headed langur (Presbytis leucocephalus) on rocks with their young, Guangxi Province, China.
01116712
Patricio Robles Gil / White-headed langurs on cliff face {Trachypithecus leucocephalus} Guangxi, China, 2002
00568123
Cyril Ruoso / Cat Ba Langur (Trachypithecus poliocephalus poliocephalus) females with young, Ha Long Bay, Cat Ba Island, Vietnam
00568122
Cyril Ruoso / Cat Ba Langur (Trachypithecus poliocephalus poliocephalus) females, Ha Long Bay, Cat Ba Island, Vietnam
00568117
Cyril Ruoso / Cat Ba Langur (Trachypithecus poliocephalus poliocephalus) feeding on leaves, Ha Long Bay, Cat Ba Island, Vietnam
00568112
Cyril Ruoso / Cat Ba Langur (Trachypithecus poliocephalus poliocephalus), Ha Long Bay, Cat Ba Island, Vietnam
00568109
Cyril Ruoso / Cat Ba Langur (Trachypithecus poliocephalus poliocephalus), Ha Long Bay, Cat Ba Island, Vietnam
01477392
Roland Seitre / White-headed langur / Golden-headed langur (Trachypithecus poliocephalus) on branch. Captive, occurs in China and Vietnam. Critically Endangered species.
01477391
Roland Seitre / White-headed langur / Golden-headed langur (Trachypithecus poliocephalus) in tree. Captive, occurs in China and Vietnam. Critically Endangered species.
00522108
Thomas Marent / White-headed Black Leaf Langur (Trachypithecus poliocephalus leucocephalus) mother with young on limestone karst cliff, Guangxi, China
00522106
Thomas Marent / White-headed Black Leaf Langur (Trachypithecus poliocephalus leucocephalus) on limestone karst cliff, Guangxi, China
00522107
Thomas Marent / White-headed Black Leaf Langur (Trachypithecus poliocephalus leucocephalus) mother with young on limestone karst cliff, Guangxi, China
01567554
Roland Seitre / Golden-headed langur (Trachypithecus poliocephalus) feeding, captive, Vietnam.
