HAIKOU, China, Nov 2 (Bernama-AsiaNet) — It first sounds like a whistle or birdsong, and within minutes the solo turns into a chorus with a melody reminiscent of the waltz “The Blue Danube”.
Around 6 a.m. every morning, the ape songs ring to awaken the primeval rainforest in China’s tropical island province of Hainan. For conservationists, these indicate the comeback of the hairy tenors and sopranos: Hainan gibbons.