A Coquerel's Sifaka lemur leaps between trees inside the Lemurs Park, a private eco-tourism enterprise which hosts 9 of 49 known lemur 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. To match feature MADAGASCAR-TOURISM/ REUTERS/Radu Sigheti/Files