178: Xatu 180: Flaaffy

Mareep

179: Mareep

Kanto

	FireRed	LeafGreen
Walking in tall grass or a cave
Altering Cave b	100% L3–13	100% L3–13

Johto

	HeartGold	SoulSilver	Crystal	Gold	Silver
Walking in tall grass or a cave
Route 32	+10% L6 +20% L6 +20% L6	+10% L6 +20% L6 +20% L6		+20% L6 +20% L6 +10% L6	+20% L6 +20% L6 +10% L6
Route 42	20% L13 +10% L13	20% L13 +30% L13–15		+30% L13 +30% L13 +30% L13	+50% L13–15 +50% L13–15 +50% L13–15
Route 43	+10% L15 +10% L15 +5% L16	+10% L15 +10% L15 +5% L16		+10% L15 +10% L15 +5% L15	+10% L15 +10% L15 +5% L15
	HeartGold	SoulSilver	Crystal	Gold	Silver
Receive egg as a gift
Violet City Pokemon Center	100% L1	100% L1

Hoenn

	Emerald	Ruby	Sapphire
Walking in tall grass or a cave
Altering Cave b	100% L3–13
Safari Zone expansion south	30% L34–36

Sinnoh

	Platinum	Diamond	Pearl
Walking in tall grass or a cave
Valley Windworks	+22% L10–12	+22% L7–9	+22% L7–9

Unova

	Black 2	White 2	Black	White
Walking in tall grass or a cave
Floccesy Ranch inner	10% L5	10% L5