As with the Nidoran's first evolutionary step, the Nidoran, there is very limited knowledge available for the Nidorina. Dexter has this information in The Pokédex: The female Nidoran's horns develop slowly. These Pokémon prefer physical attacks such as clawing and biting. This is the second stage of the evolution of the female Nidoran.First appearance: Ash has not yet encountered a Nidorina