Keywords:United States, Utah, Zion National Park, animals, autumn, fall, iridescent, light, mud, nature, opossum, pawprint, places, possum, seasons and time, swamp oil
Opossum Track on Swamp Oil Creek - Zion Nationa Park
Swamp Oil is an irididescent film which forms over swamps and very shallow creekbeds. It is caused by rotting plant material. In the early morning light, this sheen just glowed.
