Route 15

	HeartGold	SoulSilver	Yellow	Red	Blue
Walking in tall grass or a cave
Bellsprout			30% L26–28		35% L22–26
Chansey	1% L25	1% L25
Ditto				20% L26	20% L26
Gloom			5% L30	5% L30
Hoppip	+19% L22–24 +19% L22–24	+19% L22–24 +19% L22–24
Minun	+20% L25	+20% L25
Nidorina	20% L23 +10% L23	20% L23 +10% L23
Nidorino	20% L23 +10% L23	20% L23 +10% L23
Noctowl	+20% L25	+20% L25
Oddish			30% L26–28	35% L22–26
Pidgeotto	+20% L25 +20% L25	+20% L25 +20% L25	10% L32	5% L28–30	5% L28–30
Pidgey				15% L23	15% L23
Plusle	+20% L23	+20% L23
Quagsire	+19% L22–24	+19% L22–24
Shinx	+40% L23–25	+40% L23–25
Venomoth			1% L30
Venonat			19% L24–27	20% L26–28	20% L26–28
Weepinbell			5% L30		5% L30

	FireRed	LeafGreen
Walking in tall grass or a cave
Bellsprout		35% L22–26
Ditto	5% L25	5% L25
Gloom	5% L28–30
Oddish	35% L22–26
Pidgeotto	5% L29	5% L29
Pidgey	20% L25–27	20% L25–27
Venonat	30% L24–26	30% L24–26
Weepinbell		5% L28–30