Giraffes Hardly Need Sleep
By staying awake for most of the day, giraffes can keep an eye out for predators. Their naps usually last just a few minutes at a time.
from Discovery World Safari
Key Facts In This Video
The giraffe is the tallest land mammal, and can grow up to 5.5 m (18 ft) high. (0:13)
Giraffes' horns are called ossicones, and the females' are smaller and covered with hair. (0:41)
As giraffes mature, their spots get darker. (1:21)