Nindiri, a jaguar at the San Diego Zoo, savors a delectable brain-shaped bloodsicle treat. ©San Diego Zoo Global. All rights reserved.
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New Zealand Veterinary Journal 63(1): 1-65 (January 2015)
Applied Animal Behaviour Science 147(3–4): 245-334 (January 2015)
Zoo Biology 28(6): 501–651 (November/ December 2009)
Applied Animal Behaviour Science 102(3-4): 139-452 (February 2007)
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