When a penguin does this to a human, it can signify general interest or trust. A Cooing Baby Chick Baby Adélie chicks like this one often make noises if they need something.

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If she accepts his gift, the penguin pair bond, learn each other’s calls and typically mate for life. From there, the male Adélie penguin participates in the raising of chicks.

The first Adelie penguin chicks of the season -- black fluffballs small enough to hold in the hand -- started hatching this month, and the simple fact that there are more of them in the south and ...

Penguin poop in Antarctica is helping to create clouds that shield them from the effects of human-caused climate change. Also known as guano, researchers say the poop releases ammonia that ...