The opening credits scroll over an animated image of the character Bambi serenely grazing while the `` Call to the Dairy Cows '' from Rossini 's opera `` William Tell '' ( 1829 ) plays in the background .
In the opening credits , Bambi is seen grazing while `` Call to the Dairy Cows '' from Gioachino Rossini 's opera `` William Tell '' ( 1829 ) plays in the background .