Noctowl

Noctowl (Japanese: ヨルノズク Yorunozuku) is a /-type Pokémon introduced in Generation II.

Appearance
Noctowl appears to be based on an owl. Noctowl appears to have 6 dark brown, upside down triangles. Its wings and wedge-shaped tail are dark brown. It has cream-colored horns that look like eyebrows.

Evolution
Noctowl is the evolved form of Hoothoot, as of level 20.

In the anime
Ash owns a shiny Noctowl he caught during his travels through Johto.

Etymology
Its name is likely to be a combination of the words nocturnal and owl.