However, one of the more strange mysteries of the deep is a “quack.” First described by submariners in the 1960s, the ...

The sound consisted of four short bursts resembling a quack, which inspired the name of the sound "Bio-Duck." "The sound was so repeatable, we couldn't believe at first that it was biological ...

A MYSTERIOUS pulsing sound deep below the ocean’s surface has been confirmed to have a ‘biological source,’ according to scientists. But the mystery beast has evaded researchers ...

Ocean researchers have recorded unidentified "quack" sounds in the sea for years ... strange noises in the ocean for decades. They sound guttural, and alien. The sound is dubbed the "bio-duck ...

The regularity of the sounds initially suggested they were not of biological origin. Upon further analysis, Chapman's team ...

"As it turned out, we learned something new about sound in the ocean every day as we looked further into the data - it was really an exciting time for us." But the "quack" sounds have never been ...

Quack-like sounds heard off the coast of New Zealand in the 1980s might have been a form of communication. Mysterious, ...

The new species of frog makes a sound similar to a duck's quack, researchers said A new species of frog has been discovered which makes a noise similar to the quack of a duck. The "music frog" was ...