Tricky Pokémon 2021

April Fools: Tricky Pokémon Event was the third April Fools' Day Event in Pokémon GO.

Featured Pokémon
These Shadow Pokémon were released with the start of the event:

Tricky Pokémon had increased spawn rates in the wild and from Incense or Lure Modules:

5-km Pokémon Eggs obtained during the event would hatch more of these Pokémon:

The following Raid Bosses were available for a time of this event:

Timed Research
During this event there was a Timed Research series in game.