In its latest newsletter to Pokémon GO subscribers, Niantic has announced that a Pokémon GO Holiday 2018 event is happening later this month. It will feature appearances of the Delivery Pokémon Delibird and many more. More details will be announced very soon, so stay tuned for any updates.
BREAKING NEWS: HOLIDAY EVENT
We have some breaking news! It seems that the Delivery Pokémon, Delibird, will return once again for a holiday celebration this month! What sorts of surprises will it bring? Stay tuned to find out!
Source: Official Pokémon GO newsletter