India, Ichthyosis vulgaris may present as skin dryness with accompanying fine, white, or skin-colored scales. New technology also suggest that they also help with heat dispersal. The pattern arises from an initial distribution of melanin-producing cells in the embryo, and later on, where and to what extent the melanocytes release their dark pigment. Hello doctor, For example, predators evolved spots to better stalk their prey, while prey evolved spots to hide from predators. Ossicones. As an Amazon Associate I earn from qualifying purchases. Leucistic animals vary in pigment so some can have just faded patches while others can be almost completely white. The Sacramento Zoological Society, Columbus Zoo and Aquarium, Tulsa Zoo, Tierpark Berlin, The Living Desert Zoo and Gardens, Cincinnati Zoo and Botanical Gardens, and Save the Giraffes supported the work. We link primary sources including studies, scientific references, and statistics within each article and also list them in the resources section at the bottom of our articles. Mottled skin can vary in severity. Extremely dry, scaly skin is known as xerosis. Although so many other factors are in play for giraffes to communicate with each other there is the chance that a giraffes spots are a personal identity badge. Ossicones start as cartilage and later fuse to the skull as the giraffe ages. Now conservationists are concerned about a different sort of spots on giraffes, made up of dead tissue and crusty sores that ooze blood or pus. What could be the reason for the red spots on my thighs? NF2 - The main symptom includes unilateral or bilateral vestibular schwannoma. McCune-Albright syndrome - Caf au lait spots seen with this syndrome are less than in NF1, and the borders are more irregular. A giraffe will spend most of its day eating. //