cially barns. At this time, big brown bats avoid some of the higher roost temperatures toler-ated by little brown bats, and will abandon any area that gets above 95Âº F. Two young are born in early summer (most in June), and are fed milk from the female. The females actually hang âright side upâ during the birthing process.
Hyperpigmentation is a condition that causes the skin to darken. It can occur in small patches. And it can cover large areas or affect the entire body. This condition usually isnât harmful, but it can be a symptom of another medical condition. Read more.
Human skin color ranges in variety from the darkest brown to the lightest pinkish-white hues. Human skin pigmentation is the result of natural selection. Skin pigmentation in human beings evolved primarily to regulate the amount of ultraviolet radiation penetrating the skin, controlling its biochemical effects.atural skin color can also darken as a result of tanning due to exposure to sunlight. The leading theory is that skin color adapts to intense sunlight irradiation to provide partial protection against the ultraviolet fraction that produces damage and thus mutations in the DNA of the skin cells.