Some creatures blend in by sticking out. Learn more about glass frogs and the special way they hide their blood.

Suctioned to a leaf bottom in the rainforests of South and Central America, glass frogs ... its body more translucent, hiding nearly 90 percent of its red blood cells inside its opaque liver ...

Transparent substances ... thin fabrics and greaseproof paper. Image caption, Frosted glass is translucent. It allows some light to pass through, but images of objects viewed through the frosted ...

By Alex Fox - Correspondent In Ecuador, a glass frog from ... to render its body more translucent, hiding nearly 90 percent of its red blood cells inside its opaque liver during its daytime ...