There is no yoshis valley
Yoshi's Island. He was cared by all the of yoshis on that island until they grew up and left for the mushroom kingdoom attack (Super Mario Bros)
they let you ride them
from eggs
because mario likes it
Mario Party 2 is available on the Wii's Virtual Console. Other than that, none of the other Mario Party games have been released for the Virtual Console.
Yes
Probably, but you can't really tell. In many Mario games, Yoshis are hatched from eggs, but look exactly the same as they get older. So there are baby Yoshis; there just isn't a distinction between young and old Yoshis.
no because Nintendo owns the rights to all Mario and Zelda games.
You have to beat the boss inside yoob
nope he is a dino Yoshis are called dinosaurs or dragons (because they can fly). Yoshis are not zombies. One zombie character in the Mario Universe is called "Dry Bones".
Almost any Mario characters, all the collie yoshis, some more guys