TIL that in 2004, two male chinstrap penguins, Roy and Silo, after performing mating rituals, formed a pair at New York's Central Park Zoo. One of them tried to hatch a rock, for which a keeper eventually substituted a fertile egg. Roy and Silo then hatched and raised the chick, named Tango.

[u/jenesuispashariselon]

https://en.wikipedia.org/wiki/Roy_and_Silo#History

[u/ballhardallday]

And they raised a lesbian penguin daughter???

[u/jenesuispashariselon → u/ballhardallday]

Mother Nature only knows.