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A Litoria frog, which uses a loud ringing song to call for a mate, was discovered in a rainforest during a Conservation International (CI) led Rapid Assessment Program (RAP) expedition of Papua New Guinea's highlands wilderness in 2008 is pictured in this undated handout photo. Jumping spiders, a striped gecko and a chirping frog are among more than 50 new species discovered in Papua-New Guinea, the environmental group Conservation International reported on March 24, 2009.[Agencies]