You need to do something.
Birdo is in Yoshi Park. First get Yoshi and then go down the purple manhole. You will be able to rescue Birdo after beating Bowser Jr. in a minigame. Have fun!
Birdo is not unlockable in Super Mario Galaxy.
Mario Super Sluggers happened in 2008.
In Mario Super Sluggers Wii? No.
In Mario Super Sluggers there powers are more awesome than in Mario Superstar Baseball and they have more characters in Mario Super Sluggers so I think Mario Super Sluggers is way better.
MARIO SUPER SLUGGERS IS THE GREATEST SPORTS gAME IN EXESTIANCE
No, but there is a Mario Super Sluggers.
Mario Super Sluggers was created on 2008-06-19.
six in super Mario sluggers
In Mario Superstar Baseball:Yoshi,Birdo,Baby Mario,Baby Luigi,and 5 colors of Shy Guy (Red,Blue,Yellow,Green,Purple). In Mario Super Sluggers:6 colors of Yoshi (Green,Red,Light Blue,Blue,Pink,and Yellow),Birdo,Wiggler,and 5 colors of Shy Guy (Red,Blue,Yellow,Green, and Black).
probaly unlock night time on Mario sluggers