If it uses its mysterious power, Psyduck can’t remember having done so. It apparently can’t form a memory of such an event because it goes into an altered state that is much like deep sleep. It has mystical powers but doesn’t recall that it has used them. That is why it always looks puzzled. It is constantly wracked by a headache. When the headache turns intense, it begins using mysterious powers.
Pokédex entry #54
psyduck in Pokémon GO
It's possible to hatch psyduck from an egg?
Yes, psyduck it's a Pokémon that can be hatched from an egg. psyduck can be hatched from a 5km egg.
How many CP would psyduck have after evolving?
If you’ve catched a psyduck and you want to know how many points it would have after evolving, use this evolution calculator and find out easily. You just need to write your Bulbasaur CP and then click “Evolve”.