Penguins are flightless birds belonging to the family Sphenisciidae in the order Sphenisciformes. They are diverse in species, mainly living in the Southern Hemisphere, with the majority distributed in the Antarctic region. So, what do penguins eat? Details are as follows:
What do penguins eat?
Penguins are carnivorous , primarily feeding on Antarctic krill , a marine planktonic animal, and sometimes also preying on brachiopods, squid, and small fish.

What are some common types of penguins?
1. Emperor Penguin
Emperor penguins, also known as king penguins, are the largest species of penguin. They are characterized by a patch of orange-yellow feathers under their necks that gradually fades downwards, becoming darkest behind their ears.
2. King Penguin
The King Penguin, also known as the King Penguin, is the world's second largest penguin, after the Emperor Penguin. It is similar in appearance to the Emperor Penguin, but slightly slender and elegant.
3. Adelie Penguins
Adelie penguins, also known as white-eyed penguins, are distinguished by their white eye rings and long, fine feathers around their beaks. They are found in regions ranging from the Antarctic Peninsula to 80°S latitude.
4. Gentoo penguins
Gentoo penguins are the third largest penguin species, and they are characterized by a broad white stripe on their heads. Furthermore, Gentoo penguins are the "swimming champions" of the penguin family.

5. Crooked Penguin
The Crested Penguin is a species of crested penguin, and its most distinctive feature is the tuft of bright yellow eyebrows above its eyes.
6. Magellanic penguins
Magellanic penguins, also known as Magellanic ringed penguins, belong to the class Aves and the family Sphenisciidae. They are the largest species of temperate penguins and are mainly distributed along the coasts of Argentina, Chile, and the Falkland Islands in South America.