Watch and listen as these Gentoo Penguins breed, feed, and waddle among their stone pile nests in colonies around the sub-Antarctic islands. Gentoo females lay two eggs, and both parents share nest and offspring care. Around 80-100 days after hatching, almost-grown chicks are ready to swim at sea.

Fun facts: They are the fastest swimming penguins, hitting speeds of up to 22 miles an hour (36 kph), and can stay underwater for up to seven minutes, most likely when pursuing prey.

We love the sound in this video. File under: animal sounds, penguins, and the always excellent Cornell Lab of Ornithology.

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