The Cave-Rail That Wasn't (IMAGE) Florida Museum of Natural History Caption Because Haitian cave-rails share physical characteristics with several modern birds, scientists debated which species were their closest relatives. Various proposed closely-related species included, from top, the gray-necked wood rail, American coot and common gallinule. Credit Jeff Gage/Florida Museum of Natural History Usage Restrictions Please credit Jeff Gage/Florida Museum of Natural History. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.