Route 3

	HeartGold	SoulSilver	Yellow	Red	Blue
Walking in tall grass or a cave
Arbok		5% L10
Baltoy	+40% L5
Ekans		+20% L8
Gulpin		+40% L5
Jigglypuff	10% L6	10% L6		10% L3–7	10% L3–7
Mankey			15% L9
Minun	+20% L8	+20% L8
Pidgey				45% L6–8	45% L6–8
Plusle	+20% L5	+20% L5
Rattata	5% L10 +5% L8 +20% L5 +20% L5 +20% L5 +10% L5 +10% L5 +30% L5–8	+5% L8 +20% L5 +20% L5 +20% L5 +10% L5 +10% L5 +10% L5	15% L10–12
Sandshrew			15% L8–10
Shinx	+40% L5–8	+40% L5–8
Spearow	+5% L8 +5% L8 +20% L5 +20% L5 +10% L8 +20% L5–8 +30% L5–8	+5% L8 +5% L8 +20% L5 +20% L5 +10% L5 +10% L5	55% L8–12	45% L5–8	45% L5–8
Zubat	+20% L5 +10% L5	+20% L5 +10% L5

	FireRed	LeafGreen
Walking in tall grass or a cave
Jigglypuff	10% L3–7	10% L3–7
Mankey	10% L7	10% L7
Nidoran♀	1% L6	14% L6–7
Nidoran♂	14% L6–7	1% L6
Pidgey	30% L6–7	30% L6–7
Spearow	35% L6–8	35% L6–8