Hosta

Bird Pokémon are a certain species of Pokémon, including the following:

• Basic Pokémon
  • Missingno (See Paragraph below)
• Stage 1 Pokémon
  • Pidgeotto
• Stage 2 Pokémon
  • Pidgeot

There is currently some confusion as to whether to consider Missingno a bird Pokémon, because although its types are bird (not flying) and normal, it does not look like a bird nor does it have bird attacks (it does have sky attack but that's a flying attack, not a bird one.)

This list will be expanded as more Pokémon entries are created on Wikipedia.