This document lists several animals that are natural enemies of penguins, including orcas, seals, sea lions, and leopard seals that prey on penguins in the ocean, and gulls that sometimes attack penguin chicks on land.

1. ELS ENEMICS DELS PINGÜINS

2. GAVIOTA

3. ORCA

4. BALENA

5. LLEOPARD MARÍ

6. FOCA