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 ...

Leopard seals are solitary animals that inhabit the pack-ice surrounding the area, growing up to 3.5 meters long. They are inquisitive, but rarely attack humans. They will eat anything from ...