Adelie penguin

After hatching, both parents take care of the young for about a month.

An excerpt from the article 14 facts about Adelie penguin

They take turns in foraging. Later, young are brought to a creche where they mature with other juveniles from the colony.

This is a good time for parents to return to the sea and get food. After about 60 days spent in creche, juvenile penguins become independent.