He has spent hours upon hour daily speeding through the tree tops with his adoptive grandmother, uncle and aunt plus cousins.
He could spring twenty feet across space at the dizzy heights of the forest top, and grasp with unerring precision, and without apparent jar, a limb waving wildly in the path of an approaching tornado.
He could drop twenty feet at a stretch from limb to limb in rapid descent to the ground, or he could gain the utmost pinnacle of the loftiest tropical giant with the ease and swiftness of a squirrel.