Pokemon GO Fest kicked off in Chicago yesterday, where many fans were hoping to hunt down a Shiny Horsea. That was the original plan, anyway. For whatever reason, Pokemon GO Fest was dishing out Shiny Abra and Clefairy at the start of the event. Niantic says this was a mistake, and quickly took the Pokemon down and replaced them with Shiny Horsea. No explanation for the mistake was given.