A chimpanzee sits with arms crossed at Chimp Haven, the federal sanctuary in Keithville, LA on July 18, 2013.

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An aging chimpanzee sits with arms crossed at Chimp Haven, the federal sanctuary in Keithville, LA on July 18, 2013. Under new NIH recommendations, chimpanzees used for research testing are being retired to federal sanctuaries.

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Size: 6000px × 4000px
Photo credit: © Mansura Khanam / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: animal, captive, chimp, chimpanzee, chimphaven, haven, health, institute, keithville, khanam, la, louisiana, mammal, mansura, monkey, national, nih, primate, release, research, rights, sanctuary, wildlife