News Main Animals Archaeology Dinosaurs Earth History Human Animal Space Tech   AP Photo/Arizona Game and Fish Department, File |   'Macho B' This February 2009 file photo released by the Arizona Game and Fish Department shows a collared jaguar nicknamed Macho B. Following release, after noticing the animal was slowing down and not eating, scientists recaptured him and brought him to the Phoenix Zoo. Veterinarians diagnosed the cat with kidney failure and he was euthanized. | Discovery News Video   « back to article

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