
Yamper, the Puppy Pokémon and its evolution, Boltund make its debut in Pokémon GO during the Season on Delightful Days. It will be available in the wild and you can use 50 Yamper Candy to evolve Yamper into Boltund. Their PokéDex numbers are 835 and 836 respectively.
The event featuring Yamper starts on Friday, June 20, at 12:00 a.m. and continues until Sunday, June 22, 2025, at 11:59 p.m. local time.
READ ALSO: June 2025 Pokémon GO Events
What is Yamper Pokémon?
It is an electric-type Pokémon that can learn both Electric-type and Dark-type attacks. Its smallest possible size is 0.15m while its biggest possible size is 0.53m. It evolves into Boltund. Boltund is an electric-type Pokémon that can also learn both Electric- and Dark-type attacks. Additionally, both Yamper and Boltund have the following characteristics.
- Buddy distance: 1 km.
- Weakness: Ground-type attacks.
- Resists: Electric-, Flying-, and Steel-type attacks.
- Encounters are boosted in Rainy weather in-game.
- Region: Galar (Generation 8).
- Can be traded.
- Gender: Male or Female.
Yamper Event Bonuses
- 2× Stardust for catching Pokémon.
- Increased chance to encounter Shiny Snubbull, Shiny Poochyena, and Shiny Furfrou.
Event Wild Encounters
The following Pokémon will appear more frequently in the wild.
- Growlithe
- Snubbull
- Houndour
- Poochyena
- Electrike
- Lillipup
- Furfrou
- Fidough
- Hisuian Growlithe (less frequently)
- Yamper (less frequently)
All can be shiny except Yamper.
Event-themed Research
- Field Research tasks. Complete Field Research tasks to earn encounters with event-themed Pokémon.
- Timed Research tasks. Complete Timed Research tasks on each day of the event to earn encounters with the following on their respective days
- June 20: Encounters with Poochyena, 3000 XP, and 1,500 Stardust.
- June 21: Encounters with Furfrou, 3000 XP, and 1,500 Stardust.
- June 22: Encounters with Snubbull, 3000 XP, and 1,500 Stardust.
- Paid Timed Research tasks. For US$0.99 (or the equivalent pricing tier in your local currency), you’ll be able to access event-exclusive Timed Research. Complete the event-themed paid timed research tasks to receive 4 incense, 6000 Stardus, and encounters with Snubbull, Poochyena, Rockruff, Yamper, and more.
Enjoy your hunt for your new Puppy Pokémon.