You aren't given a Piece of Heart for dodging for 999 seconds, so unless if you SERIOUSLY want that fat Cucco, it isn't really worth doing.
I did try it again, and didn't do bad. Yeah, 200 seconds is early, but the beginning is the reason why I didn't like attempting it to begin with. Whenever I dodged a Cucco, one from offscreen would fly in and hit me. The giant phase could easily be beaten just by standing in the center and moving very slightly to avoid Cuccos. It's also an easy way to get Rupees, lol.
Just saying though, if I had the patience, I'd try it again, but I don't want my heart broken at like, 997 seconds or something.
"I love going on message boards and complaining about games I've never played!" - Francis, Super Paper Mario
Agreed. I'm bummed that I can't do everything in a Zelda game (according to what I shoot for) for once. But the developers were freaking nuts when they included this challenge, so... it's not exactly haunting me that I can't do it. :-)
"Why is it so hard? ... Why can't you just take me? ... I don't have much to go... before... I fade completely..." - Kelly Clarkson