Giraffe at Serengeti National Park

Giraffes are the Tallest Mammal.
They are often called the Watchtowers of the Serengeti National Park, keeping track of Predators. Their extreme long-range Vision enables Visual Communication with other Giraffes over several miles.
Each has Unique Markings, which distinguish it from others, much like a Human Fingerprint. http://www.morotours.com/fun-facts-for-giraffes/