The term 'Small Rail Bird' is referring to the SORA, a small waterbird in the rail family. It is found in wetlands across North and Central America, and is the most common and widely distributed rail species in the Americas. The SORA is a small bird, measuring about 8-9 inches in length, with a short, thick bill and a long, rounded tail. It has a grayish-brown back and wings, and a white throat and belly. Its diet consists mainly of insects, seeds, and other small invertebrates.