Tui De Roy / Magellanic Penguin (Spheniscus magellanicus) parent with chicks along coast, Saunders Island, Falkland Islands

Heather Angel / Northern white cheeked gibbon (Nomascus leucogenys) female standing in tree with baby aged two weeks. Parents captive bred and released. Wild Elephant Valley / Xishuangbanna, Yunnan Province, China, 2...

Magnus Lundgren / Wild Wonders of China / Central Yunnan black crested gibbon (Nomascus concolor jingdongensis), mother and baby hanging in canopy. Wuliangshan Nature Reserve, Jingdong, Yunnan Province, China.

Sandesh Kadur / Western hoolock gibbon (Hoolock hoolock) male hanging from branch, Assam, India.

Tim Laman / Skywalker hoolock gibbon (Hoolock tianxing) formerly described as Eastern hoolock gibbon (Hoolock leuconedys) Gaoligong Mountains National Nature Reserve, Yunnan Province, China.

Tim Laman / Skywalker hoolock gibbon (Hoolock tianxing) formerly described as Eastern hoolock gibbon (Hoolock leuconedys) Gaoligong Mountains National Nature Reserve, Yunnan Province, China.

Roland Seitre / Pileated gibbon (Hylobates pileatus) female climbing through trees, Angkor Centre for Conservation of Biodiversity, Siem Reap, Cambodia. Endangered species.

Staffan Widstrand / Wild Wonders of China / Eastern hoolock gibbon (Hoolock leuconedys) hanging from a branch in its arms, resting between forays through the rainforest, Gaoligongshan Nature reserve, Yunnan, China

Rod Williams / Young male Northern White-cheeked Crested Gibbon (Nomascus leucogenys) Northern Vietnam. Critically Endangered, Captive

Thomas Marent / Buff-cheeked Gibbon (Nomascus gabriellae) female, Phnom Tamao Wildlife Rescue Center, Cambodia

Roland Seitre / Muller's Bornean Gibbon (Hylobates muelleri) in tree, native to Borneo

Roland Seitre / Muller's Bornean Gibbon (Hylobates muelleri) in tree, native to Borneo

Roland Seitre / White-handed Gibbon (Hylobates lar) calling while hanging from branch, native to Asia

Roland Seitre / Dwarf Gibbon (Hylobates klossii) sub-adult in tree, native to Asia

Thomas Marent / Bornean White-bearded Gibbon (Hylobates albibarbis) walking on liana, Tanjung Puting National Park, Borneo, Indonesia

Thomas Marent / Bornean White-bearded Gibbon (Hylobates albibarbis), Tanjung Puting National Park, Borneo, Indonesia

Thomas Marent / Agile Gibbon (Hylobates agilis) pair, Camp Leaky, Tanjung Puting National Park, Indonesia

Staffan Widstrand / Wild Wonders of China / Northern white-cheeked gibbon (Nomascus leucogenys), adult male, Xishuangbanna National Park, Yunnan, China. Critically endangered.

Staffan Widstrand / Wild Wonders of China / Northern white-cheeked gibbon (Nomascus leucogenys), adult male, Xishuangbanna National Park, Yunnan, China. Critically endangered.

Magnus Lundgren / Wild Wonders of China / Skywalker hoolock gibbon / Gaoligong hoolock gibbon (Hoolock tianxing) Gaoligong Mountains National Nature Reserve, Yunnan Province, China

Magnus Lundgren / Wild Wonders of China / Skywalker hoolock gibbon / Gaoligong hoolock gibbon (Hoolock tianxing) hanging from tree, Gaoligong Mountains National Nature Reserve, Yunnan Province, China

Magnus Lundgren / Wild Wonders of China / Skywalker hoolock gibbon / Gaoligong hoolock gibbon (Hoolock tianxing) hanging from tree, Gaoligong Mountains National Nature Reserve, Yunnan Province, China

Magnus Lundgren / Wild Wonders of China / Skywalker hoolock gibbon / Gaoligong hoolock gibbon (Hoolock tianxing) Gaoligong Mountains National Nature Reserve, Yunnan Province, China

Magnus Lundgren / Wild Wonders of China / Skywalker hoolock gibbon / Gaoligong hoolock gibbon (Hoolock tianxing) hanging from tree, Gaoligong Mountains National Nature Reserve, Yunnan Province, China

Magnus Lundgren / Wild Wonders of China / Skywalker hoolock gibbon / Gaoligong hoolock gibbon (Hoolock tianxing) hanging from tree, Gaoligong Mountains National Nature Reserve, Yunnan Province, China

Magnus Lundgren / Wild Wonders of China / Skywalker hoolock gibbon / Gaoligong hoolock gibbon (Hoolock tianxing) Gaoligong Mountains National Nature Reserve, Yunnan Province, China

Magnus Lundgren / Wild Wonders of China / Skywalker hoolock gibbon / Gaoligong hoolock gibbon (Hoolock tianxing) hanging from tree, Gaoligong Mountains National Nature Reserve, Yunnan Province, China

Magnus Lundgren / Wild Wonders of China / Skywalker hoolock gibbon / Gaoligong hoolock gibbon (Hoolock tianxing) hanging from tree, Gaoligong Mountains National Nature Reserve, Yunnan Province, China

Magnus Lundgren / Wild Wonders of China / Skywalker hoolock gibbon / Gaoligong hoolock gibbon (Hoolock tianxing) hanging from tree, Gaoligong Mountains National Nature Reserve, Yunnan Province, China

Hoang Van Tuan / Fauna & Flora International / GMT (Gibbon Monitoring Team) engaged in gibbon monitoring activity. Cao vit gibbon Species & Habitat Conservation Area, Trung Khanh district, Cao Bang province, Vietnam. Image suitable for small rep...

Nguyen Duc Tho / Fauna & Flora International / Fauna & Flora International staff member using binoculars to monitor gibbon activity. Cao vit gibbon Species & Habitat Conservation Area, Trung Khanh district, Cao Bang province, Vietnam. EDITORIAL US...

Hoang Van Tuan / Fauna & Flora International / Fauna & Flora International staff and GMT (Gibbon Monitoring Team) engaged in AudioMoth (acoustic recorder) training. Cao vit gibbon Species & Habitat Conservation Area, Trung Khanh district, Cao Bang...

Nguyen Van Truong / Fauna & Flora International / Overview of rainforest in Cao Vit Gibbon Species & Habitat Conservation Area, Trung Khanh district, Cao Bang province, Vietnam. EDITORIAL USE ONLY. All uses require clearance.

Ryan Deboodt / Fauna & Flora International / Fauna & Flora International staff member looking for gibbons in rainforest during Cao vit gibbon census. Cao vit gibbon Species & Habitat Conservation Area, Trung Khanh district, Cao Bang province, Vi...

Cong Anh / Fauna & Flora International / FFI staff and local ranger during 2018 Cao vit gibbon census. Cao vit gibbon Species & Habitat Conservation Area, Trung Khanh district, Cao Bang province, Vietnam. EDITORIAL USE ONLY. All uses require...

Nguyen Duc Tho / Fauna & Flora International / Fauna & Flora International staff interview local people about the expanding of the conservation area. Cao vit gibbon Species & Habitat Conservation Area, Trung Khanh district, Cao Bang province, Viet...

Fauna & Flora International / Cao vit gibbon (Nomascus nasutus) adult male and female in rainforest tree, Vietnam. Critically endangered species, rediscovered in 2002, found only in northern Vietnam and the adjacent region of Chin...

Fauna & Flora International / Cao vit gibbon (Nomascus nasutus) adult male in rainforest tree, Vietnam. Critically endangered species, rediscovered in 2002, found only in northern Vietnam and the adjacent region of China, with a t...

Fauna & Flora International / Cao vit gibbon (Nomascus nasutus) infant in rainforest tree, Vietnam. Critically endangered species, rediscovered in 2002, found only in northern Vietnam and the adjacent region of China, with a total...

Fauna & Flora International / Cao vit gibbon (Nomascus nasutus) adult male and juvenile in rainforest tree, Vietnam. Critically endangered species, rediscovered in 2002, found only in northern Vietnam and the adjacent region of Ch...

Fauna & Flora International / Cao vit gibbon (Nomascus nasutus) adult male in rainforest tree, Vietnam. Critically endangered species, rediscovered in 2002, found only in northern Vietnam and the adjacent region of China, with a t...

Fauna & Flora International / Cao vit gibbon (Nomascus nasutus) group of 8 invdividuals in rainforest tree, Vietnam. Critically endangered species, rediscovered in 2002, found only in northern Vietnam and the adjacent region of Ch...

Fauna & Flora International / Cao Vit gibbon (Nomascus nasutus) group in rainforest tree, Vietnam. Critically endangered species, rediscovered in 2002, found only in northern Vietnam and the adjacent region of China, with a total...

Fauna & Flora International / Cao Vit gibbon (Nomascus nasutus) male haning from rainforest tree, Vietnam. Critically endangered species, rediscovered in 2002, found only in northern Vietnam and the adjacent region of China, with...

Doug Gimesy / White-cheeked gibbon (Nomascus leucogenys) female and two offspring, a male and female, sitting in tree. White-cheeked gibbons are sexually dimorphic with females having golden fur. Babies are born go...

Laurie Hedges / Slow motion clipof a Hoolock gibbon (Hoolock hoolock) moving in canopy, Myanmar, 2019. Endangered.

Laurie Hedges / Slow motion shot of a Hoolock gibbon (Hoolock hoolock) moving in canopy, Myanmar, 2019. Endangered.

Laurie Hedges / Slow motion shot of a Hoolock gibbon (Hoolock hoolock) moving in canopy, Myanmar, 2019. Endangered.

Laurie Hedges / Slow motion shot of a Hoolock gibbon (Hoolock hoolock) moving in canopy, Myanmar, 2019. Endangered.