Gallinula chloropus is the scientific name for the common moorhen, a bird species that belongs to the Rallidae family. This bird has many synonyms depending on the geographical location and appearance of the bird. In North America, it is commonly referred to as the common gallinule, while in Europe, it is known as the waterhen or swamp chicken. Other synonyms used to describe the Gallinula chloropus include the marsh moorhen, freshwater gallinule, and American coot. In South Africa, it is sometimes called the black crake, while in Australia, it is referred to as the black-tailed native hen. Regardless of the synonym used, the Gallinula chloropus is an impressive bird that can fly, swim and run when threatened.