One of several wading birds, having long, webless toes,
   and a frontal shield, belonging to the family Rallidae. They are
   remarkable for running rapidly over marshes and on floating plants. The
   purple gallinule of America is Ionornis Martinica, that of the Old
   World is Porphyrio porphyrio. The common European gallinule (Gallinula
   chloropus) is also called moor hen, water hen, water rail, moor coot,
   night bird, and erroneously dabchick. Closely related to it is the
   Florida gallinule (Gallinula galeata).