Justine Evans / Alpha-male White-handed gibbon (Hylobates lar) sitting on branch observing a neighboring gibbon family on the border of his territory, "Chai" a member of study group "C", Khao Yai National Park, Thail...
01264659
Justine Evans / Female White-handed gibbon (Hylobates lar) in tree, "Cassandra" a member of study group "C", Khao Yai National Park, Thailand, Endangered species
01264668
Justine Evans / Alpha male White-handed gibbon (Hylobates lar) hanging from strangler fig, "Chai" a member of study group "C", Khao Yai National Park, Thailand, Endangered species
01264664
Justine Evans / Alpha male White-handed gibbon (Hylobates lar) in tree observing a neighboring gibbon family on the border of his territory, "Chai" a member of study group "C", Khao Yai National Park, Thailand, Endan...
01264656
Justine Evans / Alpha female White-handed gibbon (Hylobates lar) sitting in tree, "Cassandra" a member of study group "C", Khao Yai National Park, Thailand, Endangered species
01059451
Bernard Walton / Two White-handed gibbons (Hylobates lar) in tree, one hanging from branch, captive, Thailand
00426613
Thomas Marent / White-handed Gibbon (Hylobates lar) juvenile hanging in tree, Thailand
00426510
Thomas Marent / White-handed Gibbon (Hylobates lar) in tree, Thailand
00426511
Thomas Marent / White-handed Gibbon (Hylobates lar) hanging in tree, Thailand
00426509
Thomas Marent / White-handed Gibbon (Hylobates lar) in tree, Thailand
00426508
Thomas Marent / White-handed Gibbon (Hylobates lar) in tree, Thailand
01210056
Eric Baccega / White handed gibbon (Hylobates lar) mother and young, Endangered, captive, from SE ASia
