APDEV 0642 Olive baboon, Papio anubis, full body with threat yawn, Kenya I. DeVore Olive baboon, Papio anubis, full body with threat yawn, Kenya I. DeVore
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| APDEV 0643 Olive baboon, Papio anubis, two males with fight with full canine display, while others watch, Kenya I. DeVore Olive baboon, Papio anubis, two males with fight with full canine display, while others watch, Kenya I. DeVore
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| APPOP 0644 Hamadryus male full canine threat display, Ethiopia. J. Popp Hamadryus male full canine threat display, Ethiopia. J. Popp
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| APWRA 0645 Theropithecus gelada baboon male, showing pectoral chest patch Ethiopia Richard Wrangham Theropithecus gelada baboon male, showing pectoral chest patch Ethiopia Richard Wrangham
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