Clapper rail - Wikipedia
King Rail Identification, All About Birds, Cornell Lab of Ornithology
Clapper Rail Identification, All About Birds, Cornell Lab of Ornithology
Pluff Mud Perspectives: Marsh Bird Banding on Kiawah Island -- March & April 2012
Rallus.: Rails.: 1. Clapper Rail. .. R. Clepitans.: 2. Virginia Do. .. _. virginianus.: 3. Yellow-breasted Do. .. _. Novoboracensis.: 4. Carolina Do. .. _. Carolinas.: S. Milne Sculpt.: Hill Ornithology Collection
Clapper Rail - eBird
Ridgway's Rail - Rallus obsoletus - Birds of the World
King Rail Identification, All About Birds, Cornell Lab of Ornithology
List of birds of Florida - Wikipedia