Roy and Silo

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Wendell and Cass, another male-male couple at the New York Zoo

Cover of the children's book, And Tango Makes Three

Roy and Silo are a penguin couple at the New York Aquarium. They were found to be trying to hatch a rock. The zookeepers then noticed they were both boys. It occurred to them to give them the extra egg of a boy/girl penguin couple, since they were having to incubate it. Penguins can only care for one young at a time, and the parents had abandoned one of their two eggs. This egg was given to Roy and Silo to care for, instead of their rock. The chicklet was named Tango. Their story is the basis for the children's book And Tango Makes Three.

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