The Marsh Croaker is a species of TOAD found in the wetlands of North America. It is known for its loud croaking sound, which is why it is named the Marsh Croaker. The scientific name for this species is Pseudacris nigrita. It is a small TOAD, usually measuring between 1 and 2 inches in length. Its coloration is typically brown or gray with dark spots on its back. It is an amphibian that feeds on insects, worms, and other small invertebrates.