Although the caller has remained mysterious, the sound it produced helped experts study migration patterns and ocean ...

Since the 1960s, a strange, repetitious quacking noise called a “bio-duck,” which can frequently be heard in the Southern Ocean, has puzzled marine biologists and underwater acoustic experts. A new ...

Scientific advancements in the present greatly derive from historical findings, often unexplained, and the occurrence of the “Bio-Duck” is one fine example. In 1982, researchers from New Zealand ...

For decades, researchers and submarine crews in icy waters off the coast of Antarctica have been picking up a mysterious quacking sound. The "bio-duck," as its called, has been heard on and off since ...

A duck call ringtone helped a Louisiana firefighter rescue six ducklings from a storm drain. Spokesman Chad Duffaut of St. Tammany Fire District #1 says even with realistic quacking sounds coming from ...

The bizarre noise was first heard 50 years ago but now scientists say the Antarctic minke whale is its source The mystery of a bizarre quacking sound heard in the ocean has finally been solved, ...

The old saying that a duck's quack produces no echo is... well, just plain quackers. Daisy performs: The anechoic chamber has no sound reflections Acoustics expert Professor Trevor Cox has deployed ...