Matthew Smith (UK/Australia) carefully photographs a curious leopard seal beneath the Antarctic ice. It was late in the day and Matthew had to work quickly in the fading light. He squeezed into his ...

Leopard seals are an abundant species of predator in Antarctica. These large, carnivorous sea mammals live in the water and ...

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 ...