first of all wood chucks don't "chuck" wood. none, and for the fun of the answer the amount of wood chucked would be a lot!
a wood chuck is a ground hog, it belongs to the family of large underground squirrels. it belongs to the family of marmots. ground hogs eat grasses, berry's, and other vegetation.
i am not sure if this is the correct story but i think the answerr is when twain's confidence when he asked twin a question