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Pesto, right, a huge king penguin chick who weighs as much as both his parents combined, mingles in his enclosure at Sea Life Melbourne Aquarium, Friday, Sept. 20, 2024, and has become a social media celebrity and a star attraction at the aquarium. (AP Photo/Rod McGuirk)

Pesto, right, a huge king penguin chick who weighs as much as both his parents combined, mingles in his enclosure at Sea Life Melbourne Aquarium, Friday, Sept. 20, 2024, and has become a social media celebrity and a star attraction at the aquarium. (AP Photo/Rod McGuirk)

In this photograph provided by SEA LIFE Melbourne, Pesto, a huge king penguin chick who weighs as much as both his parents combined, mingles in his enclosure at Australia's Sea Life Melbourne Aquarium, Sept. 3, 2024, and has become a social media celebrity and a star attraction at the aquarium. (SEA LIFE Melbourne via AP)

In this photograph provided by SEA LIFE Melbourne, Pesto, a huge king penguin chick who weighs as much as both his parents combined, mingles in his enclosure at Australia's Sea Life Melbourne Aquarium, Sept. 3, 2024, and has become a social media celebrity and a star attraction at the aquarium. (SEA LIFE Melbourne via AP)