Dodrio locations — where to catch

In Blueberry Academy (Scarlet & Violet – The Indigo Disk)

• Savanna Biome — Walk

In Johto & Kanto (HeartGold & SoulSilver)

• Blackthorn City — Trade
• Johto Safari Zone — Walk
• Mt. Silver — Walk
• Route 26 — Walk
• Route 27 — Walk
• Route 28 — Walk

In Hoenn (Ruby, Sapphire & Emerald)

• Safari Zone — Walk

In Johto & Kanto (Gold, Silver & Crystal)

• Mt. Silver — Walk
• Route 26 — Walk
• Route 27 — Walk
• Route 28 — Walk

In Kanto (Red, Blue & Yellow)

• Cerulean Cave — Walk
• Route 17 — Walk

Other games (2)

• Let's Go, Pikachu! / Let's Go, Eevee! (Gen 7): Kanto Route 16, Kanto Route 17, Kanto Route 18
• XD (Gen 3): Citadark Isle

Dodrio — full Pokédex entry