Tua the Sumatran orangutan was born November 4th, 1992 at Zoo Atlanta and arrived at the Philadelphia Zoo on April 23, 1999. She is the mother to Batu. Sumatran orangutans are one of the great apes and among the largest of all living primates. Orangutans are the most solitary of the great apes, but they exhibit a wide range of sociality across their range and may be extremely social when they do associate with other orangutans.
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