Giant Chasm

Unova

	Black 2	White 2	Black	White
Walking in tall grass or a cave
Clefairy	15% L44–46	15% L44–46
Golbat			20% L47	20% L47
Jynx			10% L48–50	10% L48–50
Sneasel	20% L44	20% L44	10% L48	10% L48
Piloswine	25% L44–46	25% L44–46	25% L47–49	25% L47–49
Delibird	5% L47	5% L47	10% L48	10% L48
Lunatone	10% L46	10% L46	10% L50	10% L50
Solrock	10% L46	10% L46	10% L50	10% L50
Boldore			5% L49	5% L49
Vanillish	15% L45–47	15% L45–47
	Black 2	White 2	Black	White
Walking in dust clouds
Excadrill	100% L44–47	100% L44–47	100% L47–50	100% L47–50
	Black 2	White 2	Black	White
Fishing with a Super Rod
Poliwag	60% L40–70	60% L40–70	45% L35–55	45% L35–55
Poliwhirl			15% L35–55	15% L35–55
Red-Striped Basculin	40% L40–60		40% L35–55
Blue-Striped Basculin		40% L40–60		40% L35–55
	Black 2	White 2	Black	White
Fishing in dark spots
Poliwhirl	55% L40–70	55% L40–70	55% L35–70	55% L35–70
Poliwrath	5% L50–70	5% L50–70	5% L45–70	5% L45–70
Red-Striped Basculin		40% L40–60		40% L35–60
Blue-Striped Basculin	40% L40–60		40% L35–60
	Black 2	White 2	Black	White
Surfing
Seel	30% L35–50	30% L35–50	30% L25–55	30% L25–55
Red-Striped Basculin	70% L35–50		70% L25–55
Blue-Striped Basculin		70% L35–50		70% L25–55
	Black 2	White 2	Black	White
Surfing in dark spots
Seel	60% L35–50	60% L35–50	60% L25–60	60% L25–60
Dewgong	10% L40–50	10% L40–50	10% L35–70	10% L35–70
Red-Striped Basculin		30% L35–50		30% L25–60
Blue-Striped Basculin	30% L35–50		30% L25–60

forest

	Black 2	White 2	Black	White
Walking in tall grass or a cave
Clefairy	20% L45	20% L45	30% L52–54	30% L52–54
Ditto	15% L45–47	15% L45–47	15% L53–55	15% L53–55
Piloswine	30% L44–46	30% L44–46	25% L52–54	25% L52–54
Delibird	5% L44	5% L44
Lunatone	10% L46	10% L46	10% L55	10% L55
Solrock	10% L46	10% L46	10% L55	10% L55
Metang	10% L45–47	10% L45–47	10% L53–55	10% L53–55
	Black 2	White 2	Black	White
Walking in rustling grass
Clefable	5% L47	5% L47	5% L55	5% L55
Mamoswine	5% L47	5% L47	5% L55	5% L55
Metagross	5% L47	5% L47	5% L55	5% L55
Audino	85% L44–47	85% L44–47	85% L52–55	85% L52–55
	Black 2	White 2	Black	White
Walking in dark grass
Clefairy	20% L50	20% L50	30% L62–64	30% L62–64
Ditto	15% L50–52	15% L50–52	15% L63–65	15% L63–65
Piloswine	30% L49–51	30% L49–51	25% L62–64	25% L62–64
Delibird	5% L49	5% L49
Lunatone	10% L51	10% L51	10% L65	10% L65
Solrock	10% L51	10% L51	10% L65	10% L65
Metang	10% L50–52	10% L50–52	10% L63–65	10% L63–65

forest cave

	Black 2	White 2	Black	White
Walking in tall grass or a cave
Clefairy	20% L45	20% L45
Golbat			20% L57	20% L57
Jynx			10% L58–60	10% L58–60
Ditto	15% L45–47	15% L45–47
Sneasel			10% L58	10% L58
Piloswine	30% L44–46	30% L44–46	25% L57–59	25% L57–59
Delibird	5% L44	5% L44	10% L58	10% L58
Lunatone	10% L46	10% L46	10% L60	10% L60
Solrock	10% L46	10% L46	10% L60	10% L60
Metang	10% L45–47	10% L45–47
Boldore			5% L59	5% L59
	Black 2	White 2	Black	White
Walking in rustling grass
Clefable	5% L47	5% L47
Mamoswine	5% L47	5% L47
Metagross	5% L47	5% L47
Audino	85% L44–47	85% L44–47
	Black 2	White 2	Black	White
Walking in dust clouds
Excadrill			100% L57–60	100% L57–60
	Black 2	White 2	Black	White
Walking in dark grass
Clefairy	20% L50	20% L50
Ditto	15% L50–52	15% L50–52
Piloswine	30% L49–51	30% L49–51
Delibird	5% L49	5% L49
Lunatone	10% L51	10% L51
Solrock	10% L51	10% L51
Metang	10% L50–52	10% L50–52
	Black 2	White 2	Black	White
Fishing with a Super Rod
Poliwag			45% L35–55	45% L35–55
Poliwhirl			15% L35–55	15% L35–55
Red-Striped Basculin			40% L35–55
Blue-Striped Basculin				40% L35–55
	Black 2	White 2	Black	White
Fishing in dark spots
Poliwhirl			55% L35–70	55% L35–70
Poliwrath			5% L45–70	5% L45–70
Red-Striped Basculin				40% L35–60
Blue-Striped Basculin			40% L35–60
	Black 2	White 2	Black	White
Surfing
Seel			30% L25–55	30% L25–55
Red-Striped Basculin			70% L25–55
Blue-Striped Basculin				70% L25–55
	Black 2	White 2	Black	White
Surfing in dark spots
Seel			60% L25–60	60% L25–60
Dewgong			10% L35–70	10% L35–70
Red-Striped Basculin				30% L25–60
Blue-Striped Basculin			30% L25–60

outside

	Black 2	White 2	Black	White
Walking in tall grass or a cave
Clefairy	15% L45–47	15% L45–47
Golbat			15% L48–50	15% L48–50
Tangela	30% L44–45	30% L44–45	25% L47–49	25% L47–49
Delibird	5% L44	5% L44
Swellow			20% L47	20% L47
Pelipper	20% L45	20% L45
Lunatone	10% L45	10% L45	10% L48	10% L48
Solrock	10% L46	10% L46	10% L48	10% L48
Absol			10% L48–50	10% L48–50
Drifblim			10% L49	10% L49
Vanillish	10% L45–47	10% L45–47
	Black 2	White 2	Black	White
Walking in rustling grass
Clefable	5% L47	5% L47
Crobat			5% L50	5% L50
Tangrowth	5% L47	5% L47	5% L50	5% L50
Audino	85% L44–47	85% L44–47	80% L47–50	80% L47–50
Vanilluxe	5% L47	5% L47
Emolga			10% L48	10% L48
	Black 2	White 2	Black	White
Walking in dark grass
Clefairy	15% L50–52	15% L50–52
Golbat			15% L58–60	15% L58–60
Tangela	30% L49–50	30% L49–50	25% L57–59	25% L57–59
Delibird	5% L49	5% L49
Swellow			20% L57	20% L57
Pelipper	20% L50	20% L50
Lunatone	10% L50	10% L50	10% L58	10% L58
Solrock	10% L51	10% L51	10% L58	10% L58
Absol			10% L58–60	10% L58–60
Drifblim			10% L59	10% L59
Vanillish	10% L50–52	10% L50–52