21-inch Tongue

21-inch Tongue


A giraffe can clean its ears with its 21-inch tongue.


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Giraffe uses their 45-50 cm long prehensile tongue and the roof of their mouths to feed on various plants and shoots, most notably from Senegalia and Vachellia (formerly Acacia) species.

Africa’s Senegalia and Vachellia species have developed fierce defensive thorns, requiring giraffes to use their dexterous tongues to sort out the nutritious leaves from spiky thorns. Fortunately, a giraffe’s tongue has thickened papillae, which helps to protect it from these vicious thorns. Additionally, thick saliva is also believed to help protect giraffe’s tongue and mouth against the defensive mechanisms of their favorite food.

The tongue's color is best described as black, blue, or purple with a pink base/back. It is generally assumed that the front part of the tongue has such dark coloration to protect it during frequent sun exposure while eating and to prevent the tongue from getting sunburned; however, no one really knows.


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