Complex sentence: The Rodrigues rail was a flightless rail with bright grey plumage, perhaps flecked with white, it had a red beak and legs, and a red, naked area around its eyes.
Split into simpler sentences: The Rodrigues rail was a flightless rail with bright grey plumage, perhaps flecked with white. Its beak and legs were red, and it had a red, naked area around its eyes.