Although the tall acacia tree leaves are the preferred food
for adult giraffes during the wet season, giraffes will browse
on many other trees and bush types. Hitching notes that,
on average, female giraffes are up to a metre shorter than
males—and they survive quite well. He also claims that
there is plentiful foliage at lower-levels, and that giraffes
often eat bushes and even low-growing land vegetation.4
Actually, giraffes commonly munch on long grass and low
bushes and many kinds of ground-growing plants.18