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ANI106-00143

An endangered Kloss’s gibbons (Hylobates klossii) at Taman Safari in Bogor, West Java, Indonesia.

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ANI106-00142

Two endangered Kloss’s gibbons (Hylobates klossii) at Taman Safari in Bogor, West Java, Indonesia.

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ANI064-00140

A a pair of endangered gray gibbons (Hylobates muelleri muelleri) at the Miller Park Zoo.

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ANI064-00139

A a pair of endangered gray gibbons (Hylobates muelleri muelleri) at the Miller Park Zoo.

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ANI064-00138

A a pair of endangered gray gibbons (Hylobates muelleri muelleri) at the Miller Park Zoo.

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ANI064-00136

A a pair of endangered gray gibbons (Hylobates muelleri muelleri) at the Miller Park Zoo.

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ANI064-00135

A a pair of endangered gray gibbons (Hylobates muelleri muelleri) at the Miller Park Zoo.

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ANI064-00134

A a pair of endangered gray gibbons (Hylobates muelleri muelleri) at the Miller Park Zoo.

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ANI064-00131

A a pair of endangered gray gibbons (Hylobates muelleri muelleri) at the Miller Park Zoo.

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ANI064-00130

A a pair of endangered gray gibbons (Hylobates muelleri muelleri) at the Miller Park Zoo.

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ANI064-00129

A a pair of endangered gray gibbons (Hylobates muelleri muelleri) at the Miller Park Zoo.

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ANI064-00122

An endangered two-year old pileated Gibbon (Hylobates pileatus) at the Angkor Centre for Conservation of Biodiversity (ACCB) in Siem Reap, Cambodia.

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ANI064-00121

An endangered two-year old pileated Gibbon (Hylobates pileatus) at the Angkor Centre for Conservation of Biodiversity (ACCB) in Siem Reap, Cambodia.

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ANI064-00120

An endangered two-year old pileated Gibbon (Hylobates pileatus) at the Angkor Centre for Conservation of Biodiversity (ACCB) in Siem Reap, Cambodia.

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ANI064-00119

An endangered two-year old pileated Gibbon (Hylobates pileatus) at the Angkor Centre for Conservation of Biodiversity (ACCB) in Siem Reap, Cambodia.

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ANI064-00118

An endangered two-year old pileated Gibbon (Hylobates pileatus) at the Angkor Centre for Conservation of Biodiversity (ACCB) in Siem Reap, Cambodia.

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ANI099-00117

A critically endangered juvenile white cheeked-gibbon (Nomascus leucogenys) at the Omaha Zoo.

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ANI099-00116

A critically endangered juvenile white cheeked-gibbon (Nomascus leucogenys) at the Omaha Zoo.

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ANI099-00115

A critically endangered juvenile northern white cheeked-gibbon (Nomascus leucogenys) at the Omaha Zoo.

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ANI040-00524

A critically endangered female northern white cheeked gibbon (Nomascus leucogenys) at the Endangered Primate Rescue Center in Cuc Phuong National Park, Vietnam. This animal is named Polly. The males of this species are black, while the females are orange.

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ANI040-00523

A critically endangered female northern white cheeked gibbon (Nomascus leucogenys) at the Endangered Primate Rescue Center in Cuc Phuong National Park, Vietnam. This animal is named Polly. The males of this species are black, while the females are orange.

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ANI040-00522

A critically endangered female northern white cheeked gibbon (Nomascus leucogenys) at the Endangered Primate Rescue Center in Cuc Phuong National Park, Vietnam. This animal is named Polly. The males of this species are black, while the females are orange.

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ANI040-00521

A critically endangered female northern white cheeked gibbon (Nomascus leucogenys) at the Endangered Primate Rescue Center in Cuc Phuong National Park, Vietnam. This animal is named Polly. The males of this species are black, while the females are orange.

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ANI040-00520

A critically endangered female northern white cheeked gibbon (Nomascus leucogenys) at the Endangered Primate Rescue Center in Cuc Phuong National Park, Vietnam. This animal is named Polly. The males of this species are black, while the females are orange.

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ANI040-00519

A critically endangered female northern white cheeked gibbon (Nomascus leucogenys) at the Endangered Primate Rescue Center in Cuc Phuong National Park, Vietnam. This animal is named Polly. The males of this species are black, while the females are orange.

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ANI040-00518

An endangered male northern yellow-cheeked gibbon (Nomascus annamensis) at the Endangered Primate Rescue Center in Cuc Phuong National Park, Vietnam. The animal’s name is ‘Bin’.

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ANI040-00517

An endangered male northern yellow-cheeked gibbon (Nomascus annamensis) at the Endangered Primate Rescue Center in Cuc Phuong National Park, Vietnam. The animal’s name is ‘Bin’.

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ANI040-00516

An endangered male northern yellow-cheeked gibbon (Nomascus annamensis) at the Endangered Primate Rescue Center in Cuc Phuong National Park, Vietnam. The animal’s name is ‘Bin’.

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ANI040-00515

An endangered male northern yellow-cheeked gibbon (Nomascus annamensis) at the Endangered Primate Rescue Center in Cuc Phuong National Park, Vietnam. The animal’s name is ‘Bin’.

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ANI040-00514

An endangered male northern yellow-cheeked gibbon (Nomascus annamensis) at the Endangered Primate Rescue Center in Cuc Phuong National Park, Vietnam. The animal’s name is ‘Bin’.

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ANI040-00513

An endangered male northern yellow-cheeked gibbon (Nomascus annamensis) at the Endangered Primate Rescue Center in Cuc Phuong National Park, Vietnam. The animal’s name is ‘Bin’.

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ANI040-00512

An endangered yellow-cheeked gibbon (Nomascus gabriellae) at the Endangered Primate Rescue Center in Cuc Phuong National Park, Vietnam. This animal’s name is ‘Pumuckel’. This species shows high dimorphism, with the females gold and the males black.

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ANI040-00511

An endangered yellow-cheeked gibbon (Nomascus gabriellae) at the Endangered Primate Rescue Center in Cuc Phuong National Park, Vietnam. This animal’s name is ‘Pumuckel’. This species shows high dimorphism, with the females gold and the males black.

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ANI040-00510

An endangered yellow-cheeked gibbon (Nomascus gabriellae) at the Endangered Primate Rescue Center in Cuc Phuong National Park, Vietnam. This animal’s name is ‘Pumuckel’. This species shows high dimorphism, with the females gold and the males black.

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ANI040-00509

An endangered yellow-cheeked gibbon (Nomascus gabriellae) at the Endangered Primate Rescue Center in Cuc Phuong National Park, Vietnam. This animal’s name is ‘Pumuckel’. This species shows high dimorphism, with the females gold and the males black.

Photo: Julie Jensen Director of Marketing | WVC O: 866.800.7326 | D: 702.443.9249 | E: j.jensen@wvc.org

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