A Ring Tail lemur sits on a leaf at the Lemurs Park, a private eco-tourism enterprise which hosts nine species, near Antananarivo Madagascar in this December 5, 2006 file photo. Perched on the muddy bank of a river meandering through rolling green hills, the Lemurs' Park near Madagascar's capital is rated one of the city's top attractions, but you would not know it from the number of visitors. (Photo by Radu Sigheti/Reuters)
