Friend and foe

Among Nature's Best Photography Magazine's wildlife photograph winners for 2010:
Tom Warren of Dobbs Ferry, New York, took this photo of a Western Lowland Gorilla and Mallard Duck at the Bronx Zoo, New York.

"Upon arriving at the Bronx Zoo's Congo Gorilla Forest exhibit, I noticed there was an excitement among those viewing the animals," Warren said. "We all watched with amazement as a tiny