To summarize, Morpeko does not appear in the wild or ... change forms only works in Go Battle League and when battling Go Team Rocket. Niantic mentions the word “initially”, suggesting this ...

Initially, Morpeko will only be able to change forms while battling Team GO Rocket or in the GO Battle League. Its move set ...

Morpeko is making its Pokémon GO debut at the event. The short and chubby rodent Pokémoneats seeds constantly to keep its hunger at bay. If it’s hungry for too long, it grows wild and brutish.