What forms the main dietary staple for smaller penguins in colder Antarctic environments like the Adélie and Chinstrap species?

Answer

Krill

Smaller penguin species in Antarctic environments, such as the Adélie and Chinstrap, have adapted to make krill, which are small, shrimp-like crustaceans, their main dietary staple.

What forms the main dietary staple for smaller penguins in colder Antarctic environments like the Adélie and Chinstrap species?
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