Lake Retba lies just north of the Cap Vert peninsula in Senegal. The coloring, which can change to purple depending on the time of day, is caused by bacteria that thrives in the high-salinity environment. - From Amusing Planet.
Butterfly season came suddenly to the Dzanga-Sangha reserve, a dense rainforest in the Central African Republic. Furious storms of butterflies filled the air, and their frail brown forms carpeted the earth. They swarmed over Fiona Rogers and Anup Shah and also seemed to pester the gorilla family that the photographers were following. The harassed apes bashed away at the insects and clamped their mouths shut so none would fly in.
Except, that is, for the family’s dominant female, Malui. She plowed straight through one drove of butterflies resting in the bais, as the swampy meadows in the forest are known. Seeming to relish the rush of wings, she paused to let the butterflies envelop her. Then she did it again. - Continue reading at Smithsonian.com.