The Pokemon Go update for May will have five new shiny Pokemon available, but only for a limited time.
The details of the update were recently uploaded to Reddit stating which Pokemon will have a chance to be shiny. See the post below with all of the details.
The update states Team Rocket has been defeated, so no more Rocket Special Research from May to September.
In the update the Spotlight hours are shown. Each Spotlight Hour will be between 6pm and 7pm in local time regardless of your where you are.
- May 5 – shiny Shellder, with the special bonus of 2x catch Stardust
- May 12 – shiny Sunkern, with the special bonus up 2x catch XP.
- May 19 – shiny Poochyena, with the special bonus up 2x catch Candy (Mightyena galore)
- May 26 – shiny Bronzor, with the special bonus of 2x transfer Candy