Robin Chittenden / Siamang Gibbon (Symphalangus syndactylus) Thrigby Hall zoo, Norfolk, England, UK, November.
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Roland Seitre / Siamang (Symphalangus syndactylus) hanging from branch over water to drink. Captive, occurs in Indonesia, Malaysia, Thailand. Endangered species.
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Roland Seitre / Siamang (Symphalangus syndactylus) hanging from branch over water to drink. Captive, occurs in Indonesia, Malaysia, Thailand. Endangered species.
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Roland Seitre / Siamang (Symphalangus syndactylus) hanging from branch over water to drink. Captive, occurs in Indonesia, Malaysia, Thailand. Endangered species.
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Joel Sartore / Photo Ark / Siamang (Symphalangus syndactylus) head portrait, Los Angeles Zoo. Captive, occurs in Southeast Asia. Endangered.