131: Lapras 133: Eevee

Ditto

132: Ditto

Kanto

	HeartGold	SoulSilver	FireRed	LeafGreen	Yellow	Red	Blue
Walking in tall grass or a cave
Cerulean Cave 1F			11% L52–61	11% L52–61
Cerulean Cave 1F	+1% L40 +1% L40 +10% L39	+1% L40 +1% L40 +10% L39			5% L55–60	1% L53	1% L53
Cerulean Cave 2F	+10% L42	+10% L42			10% L60	5% L55–60	5% L55–60
Cerulean Cave 2F			11% L55–64	11% L55–64
Cerulean Cave B1F	+10% L45	+10% L45			15% L60–65	10% L63–67	10% L63–67
Cerulean Cave B1F			25% L58–67	25% L58–67
Pokémon Mansion B1F			10% L30	10% L30
Pokémon Mansion B1F					10% L12–24
Route 13			5% L25	5% L25
Route 13						5% L25	5% L25
Route 14			15% L23	15% L23
Route 14						15% L23	15% L23
Route 15			5% L25	5% L25
Route 15						20% L26	20% L26
Route 23						35% L33–43	35% L33–43

Johto

	HeartGold	SoulSilver
Walking in tall grass or a cave
Route 34	5% L10	5% L10
Route 35	4% L10	4% L10
Route 47	1% L40 +40% L35 +40% L31–34	1% L40 +40% L35 +40% L31–34

Hoenn

	Emerald	Ruby	Sapphire
Walking in tall grass or a cave
Desert Underpass	50% L38–45

Sinnoh

	Platinum	Diamond	Pearl
Walking in tall grass or a cave
Route 218		+22% L29–30	+22% L29–30