Giraffes hum to each other at night

Researchers have discovered that giraffes may communicate with each other by humming at low frequencies in the night.

How giraffes stay upright on `spindly legs` revealed

A highly specialized ligament structure has been identified by the researchers at the Royal Veterinary College that is thought to prevent giraffes` legs from collapsing under the immense weight of these animals.

Aging male giraffes `turn black not gray`

When male giraffes reach about 9.4 years of age, their once light spots darken to become coal-black.

West Africa`s last giraffes make surprising comeback

A crisp African dawn is breaking overhead, and Zibo Mounkaila is on the back of a pickup truck bounding across a sparse landscape of rocky orange soil.