At first glance, this leopard seal (Hydrurga leptonyx) might seem like it’s having the time of its life—mouth wide open in what looks like a hearty laugh. But don’t be fooled by its seemingly comedic ...

But when they eat penguins, leopard seals are normally highly territorial, scaring off rivals by lunging at them with a fearsome set of teeth. Animal-mounted cameras have even revealed that ...

Leopard seals are powerful hunters of penguins and ... will attack if they feel threatened. Their rather sharp teeth and brightness put them on the list of very good predators despite a cute ...

“Just as we were about to conclude our work, a team member spotted something remarkable —a set of large teeth sticking out ... the size of a modern-day leopard. open image in gallery ...