How do you get the cradle from the monkey in Zelda the twilight princess?

Climb the vines to the top of the (platform?) where Jaggle is standing. (Right by the pumpkin patch)

Jump across the other platform/rocks until you come to one with grass that almost looks like a bird's wing. Pick it, then blow it to call a hawk which you can then aim at the monkey, and send it after the basket. It will retrieve it for you.