Not quite. Bartz's chocobo was named Boko, with a k, not a c. The chocobo rescued in Araguay Woods is named Boco. Not the same bird.
*reminder* I do not own this game any more and am desperately searching for a non-Greatest Hits copy, all of this is from memory unless stated otherwise. If I'm wrong, just tell me.
Also, IS your name an attempt at "Woglinde" the ship in which Xenosaga Episode 1 begins on? You appear to phonetically given it a shot, but fell short, if I'm wrong, I'm wrong, but is sure sounds like Woglinde.