Keywords: natural science naturalscience animals amphibians frogs smithsonian probably public domain probablypublicdomain outdoor SI Neg. 91-14471. Date: 20-May-89...Frog Ololygon boulengeri, Family: Dendrobatidae. ..Credit: Carl C. Hansen (Smithsonian Institution) SI Neg. 91-14471. Date: 20-May-89...Frog Ololygon boulengeri, Family: Dendrobatidae. ..Credit: Carl C. Hansen (Smithsonian Institution) |