As Pokemon Go prepares to switch from one holiday event to another, today marks the last chance for players to catch a Holiday Pikachu. Since early last week, Pikachu have spawned in increased numbers around the globe wearing a festive Santa hat. These Holiday Pikachu an evolve into a Holiday Raichu, who still dons the same festive cap even after the evolution is complete.
At some point today, Niantic will switch over to a New Year's event, which will increase spawns of Bulbasaur, Charmander, and Squirtle, as well as their respective evolutions. To help players catch more of the Kanto Starter Pokemon, lures will also work for 60 minutes instead of their usual 30.
In news unrelated to the holiday events, Pokemon Go's nests also migrated for a 10th time yesterday. Nests are geographic locations that are a hotbed for specific type of Pokemon. The Pokemon tend to "migrate" from one nest to another every two weeks.
NOTE: The original article stated that Pokemon Go's Christmas event, which gives out single use incubators, was slated to end today. That event actually runs through January 3rd.