Earth's freshwater supply comprises just 3 percent of the planet's total water supply. Of that, nearly 69 percent is locked in ice sheets, and more than 30 percent is concealed deep underground.
Drink in freshwater scenes from around the world, from Yellowstone to Ethiopia, and learn about the different ecosystems that accompany them in this gallery.
From rattlesnakes and box turtles to lilies and floating grass, get acquainted with some of the plants and animals that call fresh water home in this gallery.