Rusturf Tunnel: 1 species in 3 games

1 species, 5 versions

Ruby and SapphireEmeraldOmega Ruby and Alpha Sapphire

Ruby and Sapphire: 1 species, all by walking in tall grass or a cave
Species	Levels	Chance	Game page
Whismur	5 to 8	100%	All places

Emerald: 1 species, all by walking in tall grass or a cave
Species	Levels	Chance	Game page
Whismur	5 to 8	100%	All places

Omega Ruby and Alpha Sapphire: 1 species, all by encountering 5 pokemon within grass, flowers, or within a cave
Species	Levels	Chance	Game page
Whismur	5	100%	All places