They often waddled around and went for swims side by side, and to assert their relationship status, the pair started to build a pebble nest together. They quickly gathered more pebbles than any other couple in the exhibit.
There have been several famous same-sex male penguin couples over the years, NPR reports. Silo and Roy, chinstrap penguins, were together for six years at the Central Park Zoo in New York City, and Harry and Pepper, Magellanics, lived together for the same amount of time in San Francisco.
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