DURHAM, N.C. -- Glassfrogs make themselves transparent while they rest by taking red blood cells from circulation and concealing them in their livers. A multi-disciplinary team of biologists and ...

New research shows that glassfrogs -- known for their highly transparent undersides and muscles -- perform their 'disappearing acts' by stowing away nearly all of their red blood cells into their ...

Jesse Delia says it happened in Panama. A few years back, he was finishing up his field work — a research project examining the parental behavior of a type of glassfrog. He brought a handful of these ...