Ben Cranke / Black-striped capuchin (Sapajus libidinosus) using rock as a tool to break open palm nut, Parnaiba Headwaters National Park, Piaui, Brazil. July.
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Jabruson / 'Kith' / 'Kin' Sumatran orangutan (Pongo abelii) captive animal in walled enclosure, Perth Zoo, Western Australia, August 2001.
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John MacPherson / 2020VISION / Two Bottlenose dolphins (Tursiops truncatus) breaching, Moray Firth, Inverness-shire, Scotland, UK, August. Photographer quote: 'After several frustrating hours with too short a lens and dolphins too...
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Eric Baccega / Chimpanzee (Pan troglodytes) female aged 37 years, portrait. Beauval Zoo Parc, France. Captive.