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.
crutch - a wooden or metal staff that fits under the armpit and reaches to the ground; used by disabled person while walking. staff - a strong rod or stick with a specialized utilitarian purpose; he walked with the help of a wooden staff.
Crutches are useful for patients who need to use their arms for weight bearing and propulsion and not just for balance. Walkers improve stability in those with lower extremity weakness or poor balance and facilitate improved mobility by increasing the patient's base of support and supporting the patient's weight. Walkers require greater attentional demands than canes and make using stairs difficult.