What do penguins eat other than fish?

While fish are the staple of a penguin's diet, they can and do eat other things depending on their species and location:

* Krill: These tiny crustaceans are a crucial food source for many penguins, especially in the Antarctic.

* Squid: Some penguins, like the Gentoo penguin, enjoy squid as a protein-rich snack.

* Other crustaceans: Crabs, shrimp, and other crustaceans can also be part of a penguin's diet.

* Small fish: While they prefer larger fish, penguins will also eat smaller fish, such as sardines and anchovies.

* Plankton: Some penguins, particularly those in warmer waters, may consume plankton.

* Occasionally, they'll eat jellyfish or other invertebrates.

Important note: Penguins are carnivores and their diet primarily consists of marine life. They do not eat plants or land animals.