Talk:Harpy/@comment-99.92.138.180-20181004231818/@comment-26814876-20181005010655

Like chickens, Harpies may lay an unfertilised egg every so often.

Papi has stated that it's not as often as chickens do.

As for them being able to lay a fertilised egg without a partner, I haven't found that for ordinary birds yet and I doubt any Harpy is capable of the feat.