average life of giraffe in wild
Only 25 to 50% of. giraffe calves reach adulthood; the life expectancy is between 20 and 25 years in the wild and 28 years in captivity. The giraffe browses on the twigs of trees, preferring plants of the Mimosa genus; but it appears that it can, without. inconvenience, live on other vegetable food. A giraffe can eat 63 kg (140 lb) of leaves and twigs daily.