Melodies of land and sea To understand how leopard seal songs compare to other species, Chambers and her co-authors looked at entropy—the measurement of how predictable or random a vocal sequence is.

Typical behavior of leopard seal vocalizations—the male will sing a sequence of sounds underwater before returning to the surface to breathe (represented by a "Z") and repeats this cycle for hours at ...

In a study published today, UNSW Sydney researchers found that the underwater songs of leopard seals (Hydrurga leptonyx) in Antarctica share structural similarities with the nursery rhymes often sung ...