Late in the evening, the Antarctic sky flushes pink. The male leopard seal wakes and slips from the ice into the water. There, he’ll spend the night singing underwater amongst the floating ice floes.

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 ...

Rüdiger Riesch does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...