How intelligent are leopard seals?

Leopard seals (_Hydrurga leptonyx_) are considered to be one of the most intelligent species of seals. They have a large and complex brain, and they demonstrate a wide range of intelligent behaviors, including:

- Tool use: Leopard seals have been observed using rocks and ice to break open the shells of their prey.

- Problem-solving: Leopard seals are able to solve complex problems, such as how to get a piece of food that is out of reach.

- Social learning: Leopard seals learn from each other by observing and imitating each other's behavior.

- Vocal communication: Leopard seals use vocalizations to communicate with each other, and they can even distinguish between the calls of different individuals.

- Memory: Leopard seals have a good memory, and they are able to recognize objects and individuals that they have encountered in the past.

Overall, leopard seals are highly intelligent animals that exhibit a wide range of complex cognitive behaviors.