Scientists working off the southern Atlantic coast of Antarctica believe they have discovered a singing iceberg.

The 50 by 20 kilometre ice chunk had collided with an underwater peninsula. "The water pushes through its crevasses and tunnels at high pressure and the iceberg starts singing," a story published in Science magazine said Friday.

Although the sound is too low for the human ear, played at fast speed it sounded like an orchestra warming up or like a swarm of bees, scientists say.

The team was tracking earth movements and recording seismic signals in Antarctica when they detected the unusual noises.

"The tune even goes up and down, just like a real song," scientist Vera Schlindwein of the German Alfred Wegener Institute for polar and marine research has said.

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