The European Gallinule, also known as the Moorhen or the Common Gallinule, is a bird species that belongs to the family Rallidae. These birds are commonly found in wetland habitats across Europe, North Africa, and Asia. When referring to this bird species, synonyms that are often used include the Waterhen, Swamp Chicken, or Marsh Hen. Other names that can be used for them include the Black Moorhen, the Eurasian Moorhen, or the Common Moorhen. These names all describe the same bird species, but may be used more commonly in different regions or by different birdwatchers. Regardless of what they are called, these birds are known for their bold and curious behavior, striking plumage, and distinctive calls. So, they are a fascinating bird to observe in their natural habitats.