Complex sentence: The Great Plains narrow-mouthed toad or western narrow-mouthed toad ("Gastrophryne olivacea") is a species of microhylid frog found throughout much of the south-central United States from Nebraska south through Texas, and into northern Mexico.
Split into simpler sentences: The Great Plains Narrow-mouthed Toad or Western Narrow-mouthed Toad ("Gastrophryne olivacea") is a species of microhylid frog. They are found throughout much of the south central United States from the state of Nebraska south through Texas, and into northern Mexico.