A giraffe's tongue is typically about 18 to 20 inches (45 to 50 centimeters) long
. Some sources note it can extend up to around 22 inches (55 centimeters)
. This long, prehensile tongue is strong and dexterous, allowing giraffes to grasp and strip leaves from thorny acacia trees without injury. The tongue is also thickly coated with saliva and has a tough texture to protect against thorns
. Additionally, its dark blue-black or purple coloration is believed to help prevent sunburn during long hours of feeding in the sun
