227: Skarmory 229: Houndoom

Houndour

228: Houndour

Kanto

	HeartGold	SoulSilver	FireRed	LeafGreen	Crystal	Gold	Silver
Walking in tall grass or a cave
Altering Cave d			100% L12–22	100% L12–22
Route 7	+5% L15	+5% L15			+20% L18	+5% L15	+5% L15

Hoenn

	Emerald	Ruby	Sapphire
Walking in tall grass or a cave
Altering Cave d	100% L12–22
Safari Zone expansion north	5% L36–39

Sinnoh

	Platinum	Diamond	Pearl
Walking in tall grass or a cave
Route 214	+10% L22 +11% L23–24 +4% L24 +4% L24 +4% L24 +4% L24 +4% L24
Valor Lakefront	+10% L27 +10% L28

Kalos

	X	Y
Walking in tall grass or a cave
Route 10	10% L21
	X	Y
Walking in yellow flowers
Route 10	20% L19–20