By Shelby Sebens PORTLAND Ore. (Reuters) – Six cotton-top tamarin monkeys died unexpectedly soon after their arrival at the Oregon Zoo, following the death of an orangutan that led to the firing of the zoo’s director, officials said on Friday. They were in a group of nine of the squirrel-like primates that arrived at the zoo on May 22 and were placed in quarantine at its veterinarian center, which is routine procedure, officials said. Six of those nine monkeys died of unknown causes and their bodies were found by veterinarian staff two days after their arrival, officials said in a statement. Initial necropsy results were inconclusive and tissue samples have been submitted to a pathologist for analysis, said spokesman Jim Middaugh of Metro, the Portland-area regional government that owns and operates the zoo.
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