Scarlet Tanager. Male Scarlet Tanagers are among the most blindingly gorgeous birds in an eastern forest in summer, with blood-red bodies set off by jet-black wings and tail. Theyâre also one of the most frustratingly hard to find as they stay high in the forest canopy singing rich, burry songs.
However, a red tongue can be a sign of an underlying medical condition. Some red color changes on the tongue (strawberry tongue) could be related to a vitamin deficiency, Kawasaki disease, or a strep infection (scarlet fever). Erythroplakia is a red patch or lesion that cannot be rubbed off on the tongue (except for the color, it is similar to leukoplakia).
In some instances, the tongue may even take on the appearance of a strawberry with enlarged, red taste buds dotting the surface. Possible causes include: 1  Vitamin deficiencies. 2  Deficiencies of folic acid and vitamin B-12 may cause your tongue to take on a reddish appearance. 3  Geographic tongue.