Zoo Animals Face Old Age and Illness: Gallery

Doc the orangutan was euthanized after a battle with heart disease. he lived at the Houston Zoo.
Doc, a 27-year-old orangutan and beloved resident of the Houston Zoo, was euthanized after a battle with heart disease, a serious problem among great apes in zoos. Doc was known as a gentle father and talented artist.
(Image credit: Houston Zoo)

A Gentle Giant

Doc the orangutan was euthanized after a battle with heart disease.

(Image credit: Houston Zoo)
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Wynne Parry
Wynne was a reporter at The Stamford Advocate. She has interned at Discover magazine and has freelanced for The New York Times and Scientific American's web site. She has a masters in journalism from Columbia University and a bachelor's degree in biology from the University of Utah.