Leopard seals are prehistoric, reptilian-looking marine predators often portrayed as scary villains in movies such as “Happy Feet” and “Eight Below,” but little is known about their basic biology. The combination of the extreme climate in Antarctica, the species’ solitary habits and their lethal reputation makes leopard seals one of the most difficult apex predators to study on Earth.
Click here for original story, Research team establishes baseline data on cortisol levels on leopard seals, mysterious apex predators in Antarctica
Source: Phys.org