you can find it on ground or using dowsing machine
Cottonee -> (Sunstone) Whimsicott
pokemon white is hareder than pokemon black
You'll need to trade for it from Pokemon Black version, because Tornadus isn't available in Pokemon White.
Like any Pokemon game there are two or more versions. On each version, there are certain types of Pokemon that you can't obtain. Some legendary Pokemon you can't obtain in either Pokemon Black or White. But you can trade them over from a different version. In Pokemon black you can obtain Reshiram (which exists in the legends of the Unova region.) (Dragon/Fire type) In Pokemon white you can also catch Zekrom (which also exists in the legends of the Unova region.) (Dragon/Electric type) ---- There are also different places in each game, as well as a different gym leader for the last gym.
Pokemon Black Version & Pokemon White Version.
Yes. Pokemon Black version comes out spring 2011 the same for Pokemon White version.
Poochyena is not found in Pokemon Black Version. It is found on Route 9 in Pokemon White Version, however.
If you mean pokemon silver for gbc an pokemon black for ds then you can't sorry
It is unobtainable in Pokemon Black in anywhere. You can get it by:Transferring it into Pokemon BlackTrade for it.
Pokemon white reshiram is on black
In Pokemon Black Version the legendary is Reshiram and Pokemon White its Zerkrom.The only way to get both is to transfer Zerkrom to Pokemon Black Version or Reshiram to Pokemon White Version.
It has not yet been announced when Keldeo will be available for download in Pokemon Black Version and Pokemon White Version.