National Park
Pokemon HeartGold
| Pokemon | Levels | Method | Rarity |
|---|---|---|---|
 Caterpie | 10-12 | Walking in tall grass or a cave | 80% |
 Hoothoot | 10-14 | Walking in tall grass or a cave | 100% |
 Metapod | 10 | Walking in tall grass or a cave | 60% |
 Minun | 12 | Walking in tall grass or a cave | 20% |
 Pidgey | 10-14 | Walking in tall grass or a cave | 35% |
 Plusle | 10 | Walking in tall grass or a cave | 20% |
 Shinx | 10-12 | Walking in tall grass or a cave | 40% |
 Sunkern | 10-12 | Walking in tall grass or a cave | 25% |
Pokemon SoulSilver
| Pokemon | Levels | Method | Rarity |
|---|---|---|---|
| Hoothoot | 10-14 | Walking in tall grass or a cave | 100% |
 Kakuna | 10 | Walking in tall grass or a cave | 60% |
| Minun | 12 | Walking in tall grass or a cave | 20% |
| Pidgey | 10-14 | Walking in tall grass or a cave | 35% |
| Plusle | 10 | Walking in tall grass or a cave | 20% |
| Shinx | 10-12 | Walking in tall grass or a cave | 40% |
| Sunkern | 10-12 | Walking in tall grass or a cave | 25% |
 Weedle | 10-12 | Walking in tall grass or a cave | 80% |