Complex sentence: They have short, rounded wings and are weak fliers, although usually capable of covering long distances; the Common Moorhen in particular migrates up to 2,000 km from some of its breeding areas in the colder parts of Siberia.
Split into simpler sentences: They have short rounded wings and are weak fliers, although usually capable of covering long distances. The Common Moorhen in particular migrates up to 2,000 km from some of its breeding areas in the colder parts of Siberia.