Ingo Arndt / Barbary ape feeding on grass {Macaca sylvanus} Morocco

Roland Seitre / Barbary Macaque (Macaca sylvanus) mother and young on cement with city in background, Gibraltar, United Kingdom

Cyril Ruoso / Barbary Macaque (Macaca sylvanus) male with infant in snow-covered tree, winter, Middle Atlas Mountains, Morocco

Cyril Ruoso / Barbary Macaque (Macaca sylvanus) resting infant carried on its mother's back, Morocco

Cyril Ruoso / Barbary Macaque (Macaca sylvanus) mother with infant reprimanding her older child, Morocco

Cyril Ruoso / Barbary Macaque (Macaca sylvanus) infant riding on the back of an adult male, winter, Middle Atlas Mountains, Morocco

Pete Oxford / Man with performing pet Barbary ape (Macaca sulvanus) Morocco, June 2009

Angelo Gandolfi / Barbary Ape (Macaca sylvanus) weaned baby (about six months old) trying to suckle. Male at right. Ifrane Nature Reserve, Middle Atlas Mountains, Morocco.

Angelo Gandolfi / Tourists walking past Barbary ape (Macaca sylvanus). Ifrane Nature Reserve, Middle Atlas Mountains, Morocco. March 2007.

Bruno D'Amicis / Young Barbary Macaque (Macaca sylvanus) playing among Cedar (Cedrus atlantica) trees, backlit, Endangered species. Atlas mountains, Morocco, NW Africa

Bruno D'Amicis / Young Barbary Macaques (Macaca sylvanus) playing among Cedar (Cedrus atlantica) trees, backlit, Endangered species. Atlas mountains, Morocco, NW Africa

Jose B. Ruiz / Barbary apes {Macaca sylvanus) with Straits of Gibraltar in background, Gibraltar, Spain

Jose B. Ruiz / Barbary apes playing on motorcycle {Macaca sylvanus} Gibraltar, Spain

Ingo Arndt / Barbary ape {Macaca sylvanus} Germany, Captive

Ingo Arndt / Barbary ape in tree {Macaca sylvanus} North Africa

Ingo Arndt / Barbary ape portrait {Macaca sylvanus} captive, from N Africa

Ingo Arndt / Barbary ape {Macaca sylvanus} captive

Ingo Arndt / Barbary apes grooming {Macaca sylvanus} Captive, from North Africa

Roland Seitre / Barbary Macaque (Macaca sylvanus), Azrou, Morocco

Roland Seitre / Barbary Macaque (Macaca sylvanus) on cement with city in background, Gibraltar

Roland Seitre / Barbary Macaque (Macaca sylvanus) on cement with city in background, Gibraltar, United Kingdom

Cyril Ruoso / Barbary Macaque (Macaca sylvanus) male in snow, Middle Atlas Mountains, Morocco

Cyril Ruoso / Barbary Macaque (Macaca sylvanus) in an urban area sitting on a pylon near warning sign, Gibraltar

Cyril Ruoso / Barbary Macaque (Macaca sylvanus) adult female holding her infant, spring, Middle Atlas Mountains, Morocco

Cyril Ruoso / Barbary Macaque (Macaca sylvanus) sucking a frozen leaf, Morocco

Cyril Ruoso / Barbary Macaque (Macaca sylvanus) male sitting on ground among ferns, spring, Middle Atlas Mountains, Morocco

Cyril Ruoso / Barbary Macaque (Macaca sylvanus) infant, Morocco

Cyril Ruoso / Barbary Macaque (Macaca sylvanus) infant, Morocco

Cyril Ruoso / Barbary Macaque (Macaca sylvanus) adult eating berries in a tree in winter, Middle Atlas Mountains, Morocco

Cyril Ruoso / Barbary Macaque (Macaca sylvanus) close-up portrait of a male, Morocco

Juan Manuel Borrero / Illustration of Barbary Ape (Macaca sylvanus). Pencil and watercolor painting.

Thomas Marent / Barbary Macaque (Macaca sylvanus) pair grooming, native to northern Africa

Thomas Marent / Barbary Macaque (Macaca sylvanus) mother with young, native to northern Africa

Thomas Marent / Barbary Macaque (Macaca sylvanus) yawning, native to northern Africa

Thomas Marent / Barbary Macaque (Macaca sylvanus) mother with young, native to northern Africa

Thomas Marent / Barbary Macaque (Macaca sylvanus) female in defensive posture, native to northern Africa

Thomas Marent / Barbary Macaque (Macaca sylvanus) male, native to northern Africa

Thomas Marent / Barbary Macaque (Macaca sylvanus) family, native to northern Africa

Thomas Marent / Barbary Macaque (Macaca sylvanus), native to northern Africa

Thomas Marent / Barbary Macaque (Macaca sylvanus) mother with young, native to northern Africa

Thomas Marent / Barbary Macaque (Macaca sylvanus) mother with young, native to northern Africa

Thomas Marent / Barbary Macaque (Macaca sylvanus) mother with young sticking finger into its mouth, native to northern Africa

Thomas Marent / Barbary Macaque (Macaca sylvanus) mother with young sticking finger into its mouth, native to northern Africa

Klaus Echle / Barbary Apes (Macaca sylvanus), a mother grooming a male with her baby between her arms. Captive

Pete Oxford / Barbary Macaque / Ape (Macaca sylvanus) male, portrait, Cedar Forests of Azrou, Atlas Mountains, Morocco, June, Endangered species

Pete Oxford / Barbary Macaque / Ape (Macaca sylvanus) grooming baby, Cedar Forests of Azrou, Atlas Mountains, Morocco, June, Endangered species

Pete Oxford / Man kissing pet Barbary ape (Macaca sulvanus) Morocco, June 2009

Pete Oxford / Barbary Macaque (Macaca sylvanus), Cedar forests of Azrou, Atlas Mountains, Morocco

Pete Oxford / Barbary Macaque (Macaca sylvanus) sitting on forest floor, Cedar forest of Azrou, Atlas Mountains, Morocco

Pete Oxford / Barbary Macaque (Macaca sylvanus) parent holding baby, Cedar Forests of Azrou, Atlas Mountains, Morocco

Pete Oxford / Barbary Macaque (Macaca sylvanus) grimacing parent holding baby, Cedar Forests of Azrou, Atlas Mountains, Morocco

Pete Oxford / Barbary Macaque (Macaca sylvanus) used for tourists photos, Marrakesh, Morocco

Pete Oxford / Barbary Macaque (Macaca sylvanus) used for tourists photos, Marrakesh, Morocco

Pete Oxford / Barbary Macaque (Macaca sylvanus), Gibraltar, United Kingdom

Pete Oxford / Barbary Macaque (Macaca sylvanus) pair, one sleeping, Gibraltar, United Kingdom

Pete Oxford / Barbary Macaque (Macaca sylvanus) sitting in a tree, Gibraltar, United Kingdom

Pete Oxford / Barbary Macaque (Macaca sylvanus) portrait, Gibraltar, United Kingdom

Pete Oxford / Barbary Macaque (Macaca sylvanus) sitting in tree, Gibraltar, United Kingdom

Pete Oxford / Barbary Macaque (Macaca sylvanus) eating potato chips stolen from tourist, Gibraltar, United Kingdom

Pete Oxford / Barbary Macaque (Macaca sylvanus) eating potato chips stolen from tourist, Gibraltar, United Kingdom

Pete Oxford / Barbary Macaque (Macaca sylvanus) eating potato chips stolen from tourists, Gibraltar, United Kingdom

Pete Oxford / Barbary Macaque (Macaca sylvanus) pair, Gibraltar, United Kingdom

Pete Oxford / Barbary Macaque (Macaca sylvanus) holding baby while being groomed, Gibraltar, United Kingdom

Pete Oxford / Barbary Macaque (Macaca sylvanus) sitting on rocks, Gibraltar, United Kingdom

Pete Oxford / Barbary Macaque (Macaca sylvanus) adults and baby, Gibraltar, United Kingdom

Pete Oxford / Barbary Macaque (Macaca sylvanus) sitting on post, Gibraltar, United Kingdom

Pete Oxford / Barbary Macaque (Macaca sylvanus) looking off into the distance, Gibraltar, United Kingdom

Pete Oxford / Barbary Macaque (Macaca sylvanus) adults and baby, Gibraltar, United Kingdom

Pete Oxford / Barbary Macaque (Macaca sylvanus) grooming, Gibraltar, United Kingdom

Pete Oxford / Barbary Macaque (Macaca sylvanus) being illegally fed by tourists, Gibraltar, United Kingdom

Pete Oxford / Barbary Macaque (Macaca sylvanus) looking for food in tourist's car, Gibraltar, United Kingdom

Pete Oxford / Barbary Macaque (Macaca sylvanus) adult grooming baby, Gibraltar, United Kingdom

Pete Oxford / Barbary Macaque (Macaca sylvanus) sitting adult, Gibraltar, United Kingdom

Pete Oxford / Barbary Macaque (Macaca sylvanus) sitting adult, Gibraltar, United Kingdom

Pete Oxford / Barbary Macaque (Macaca sylvanus) sitting on edge of cliff, Gibraltar, United Kingdom

Pete Oxford / Barbary Macaque (Macaca sylvanus) walking on all fours, Gibraltar, United Kingdom

Pete Oxford / Barbary Macaque (Macaca sylvanus), Gibraltar, United Kingdom

Dietmar Nill / Barbary ape (Macaca sylvanus) grooming young, captive

Angelo Gandolfi / Barbary ape (Macaca sylvanus) juvenile feeding on Atlas cedar (Cedrus atlantica) leaves. Ifrane Nature Reserve, Middle Atlas, Morocco.

Angelo Gandolfi / Barbary ape (Macaca sylvanus) juvenile feeding on lichen in Atlas cedar forest (Cedrus atlantica), Ifrane Nature Reserve, Middle Atlas, Morocco.

Angelo Gandolfi / Barbary ape (Macaca sylvanus) playing on car bonnet, smearing windscreen with mud. Ifrane Nature Reserve, Middle Atlas, Morocco.

Angelo Gandolfi / Barbary ape (Macaca sylvanus) juvenile in Atlas cedar trees, Ifrane Nature Reserve, Middle Atlas Mountains, Morocco.

Angelo Gandolfi / Barbary ape (Macaca sylvanus) eating trash food, Ifrane Nature Reserve, Middle Atlas Mountains, Morocco.

Angelo Gandolfi / Barbary Ape (Macaca sylvanus) on giant cedar tree, Ifrane Nature Reserve, Middle Atlas Mountains, Morocco.

Angelo Gandolfi / Person taking a photograph of two Barbary apes (Macaca sylvanus), Ifrane Nature Reserve, Middle Atlas Mountains, Morocco.

Angelo Gandolfi / Barbary ape (Macaca sylvanus). Ifrane Nature Reserve, Middle Atlas, Morocco.

Angelo Gandolfi / Barbary ape (Macaca sylvanus) large male disciplining juveniles. Ifrane Nature Reserve, Middle Atlas, Morocco.

Angelo Gandolfi / Two Barbary apes (Macaca sylvanus) on branch. Ifrane Nature Reserve, Middle Atlas, Morocco.

Angelo Gandolfi / Barbary Ape (Macaca sylvanus) and Atlas cedar tree (Cedrus atlantica) in the Middle Atlas, Morocco.

Angelo Gandolfi / Barbary Ape (Macaca sylvanus) feeding on lichens, Ifrane Nature Reserve, Middle Atlas Mountains, Morocco.

Angelo Gandolfi / Barbary Ape (Macaca sylvanus) female with young in March. Ifrane Nature Reserve, Middle Atlas Mountains, Morocco.

Bruno D'Amicis / Young Barbary Macaque (Macaca sylvanus) playing among Cedar (Cedrus atlantica) trees, backlit, Endangered species. Atlas mountains, Morocco, NW Africa

Bruno D'Amicis / Young Barbary Macaque (Macaca sylvanus) feeding in Cedar (Cedrus atlantica) tree, backlit, Endangered species. Atlas mountains, Morocco, NW Africa

Bruno D'Amicis / Young Barbary Macaque (Macaca sylvanus) in Cedar (Cedrus atlantica) tree, backlit, Endangered species. Atlas mountains, Morocco, NW Africa

Bruno D'Amicis / Young Barbary Macaque (Macaca sylvanus) in Cedar (Cedrus atlantica) tree, backlit, Endangered species. Atlas mountains, Morocco, NW Africa

Bruno D'Amicis / Barbary Macaque (Macaca sylvanus) young in adult arms, Cedar forests of the Atlas mountains, Morocco, NW Africa, Endangered