Leopard seals may be one of Antarctica’s most fearsome predators, but these vocalizers sing with the structured charm of a child’s nursery rhyme. In a surprising new study, researchers found that the ...

A leopard Seal on ice floe in Port Lockroy at Wiencke-Island. Antarctica. This rising din threatens to drown out the ocean’s own voices—songs so well-structured that a leopard seal’s (Hydrurga ...

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.

Male leopard seals call out for hours on end during the breeding season, using five sounds to compose unique “songs.” Researchers analyzed the underwater vocalizations of male leopard seals in the ...

A leopard Seal on ice floe in Port Lockroy at Wiencke-Island. Antarctica. CREDIT: Martin Zwick/REDA/Universal Images Group via Getty Images. Get the Popular Science daily newsletter💡 Breakthroughs, ...