Blue Whale songs consist of an A call, a series of pulses, followed by a long, low moan called the B call. This A-B sequence is repeated over and over again, approximately once every 130 seconds.

Up to 26,545 blue whale songs in the Antarctic were captured by scientists in a study. They used - for the first time - new acoustical detection and tracking techniques to locate and observe them.

Their aim was to record the signals from earthquakes which ... But in addition to sensing quakes, the instruments also picked up whale song. The data above has been "sonified" to make it audible.

The newly published study focused on recordings of loud, low frequency "songs" that were specific to Antarctic blue whales—the "Z-call" and part of the Z-call known as "Unit-A." The study also ...

Meanwhile, blue whale songs contain identifiable ... and ship collisions increasingly threaten singing whales. Recordings of whale song take on a new urgency as fragile acoustic environments ...

Ocean-bottom seismology stations are designed to monitor earthquakes, and often pick up whale songs. Researchers have previously used these incidental recordings to track fin whale movements, but this ...

Cultural 'revolution' events cause the whales to discard the song and learn a new simpler one Populations of male humpback whales undergo a "cultural revolution" every few years when they change ...

But of most surprise to the scientists, the recordings revealed ... Most current understanding of whale song comes from well studied species such as humpback, blue and fin whales, for which ...