Since the 1960s, a strange, repetitious quacking noise called a “bio-duck,” which can frequently be heard in the Southern ...

In 1982, a mysterious sound was recorded in the Pacific Ocean, baffling researchers and possibly hinting at sophisticated ...

Both scientists and sailors alike have recorded unique, strange noises in the ocean for decades. They sound guttural, and ...

Mysterious sounds emanating from the depths of the ocean could be a conversation - Researchers say the famous ‘Bio-Duck’ ...

But they weren’t the only people to hear the sounds. In the ensuing decades, multiple instances of the strange audio—nicknamed the “Bio-Duck”—were documented, particularly in the waters ...

Ocean researchers have recorded unidentified "quack" sounds in the sea for years ... The sound is dubbed the "bio-duck" — though it doesn't sound like a duck — and you can hear an example ...

We still don't have a complete answer, but new work analyzing Bio-Duck sounds suggests that whatever is making it is having a conversation. "We discovered that there were usually several different ...