Poekmon in secret meadows?

Question

So in my white 2 when Bianca told me about the secret meadows (or whatever you want to call them) I found the Pokemon had it's Dream world ability. Are al the secret meadows Pokemon like this?

Answer 1

Yes, they all contain Pokemon with a Dream World Ability:

http://www.serebii.net/black2white2/hiddengrotto.shtml