Giraffes have long, black tongues for several fascinating reasons. These majestic animals, known for their towering necks and distinctive spots, gracefully roam the African plains, munching on leaves high in the trees.
When a giraffe feeds, it uses its lengthy black tongue to grasp leaves and bring them to its mouth. This prehensile tongue, similar to an elephant’s trunk, allows giraffes to expertly snatch leaves and branches.
The dark purple, blue, or black color of their tongues comes from a high concentration of melanin, which protects them from sunburn while they spend long hours grazing under the harsh African sun.
Giraffes dedicate up to 12 hours a day to feeding, extending their 17 to 19-inch tongues to reach leaves. The exposed part of their tongue is dark, while the base, hidden deeper in their mouths, remains pink.
The thick, leathery texture of the tongue serves another purpose: it helps giraffes navigate around the sharp thorns of acacia trees without injury.
Although giraffes would not need sun protection if they grazed closer to the ground, much of their feeding happens high in the trees, where their tongues are more exposed to sunlight.
Giraffes consume an impressive 75 pounds of food daily, as they nibble on just a few leaves with each bite.
The length of a giraffe’s tongue also plays a crucial role in its feeding habits. Reaching lengths of 18 to 20 inches, their tongues allow them to access luscious leaves at the tops of trees.
With acacia trees towering between 20 to 40 feet tall, giraffes, usually standing between 15 to 18 feet, rely on their extra-long tongues to reach their favorite foliage.
Additionally, their tongues are protected by a tough muscular layer and thick, gooey saliva, which acts as an antiseptic while they dodge the thorns on the branches.
Content for this question contributed by Steven Firestine, resident of Venetia, Washington County, Pennsylvania, USA
