Zookeepers at Israel's Ramat Gan Zoological Center have discovered that two of their young female South African Jackass penguins — Suki and Chupchikoni — are in fact a lesbian couple.
Zookeepers originally thought that Suki (the smaller one) was female and that Chupchikoni was a small-sized male. However, a blood test revealed that both are female. And though they have reportedly not yet built a nesting burrow together, they have set up a scrape for storing nesting materials.
The two females have also chosen to pair together despite having plenty of other single young males in their area to choose from.
Though Roy and Silo eventually became the subject of the oft-banned children's book And Tango Makes Three, they actually split up after Silo paired off with a female named Scrappy. Meanwhile, their daughter Tango grew up and got into a lesbian relationship with a female penguin named Tanuzi.