Birds
Virginia Rail
Rallus limicola · also called virginia rails
Slipping sideways through a wall of marsh reeds without disturbing a single stalk, a Virginia rail relies on a body flattened from side to side, living up to the old phrase “thin as a rail” as literally as any bird possibly could.
Overview
The Virginia rail, Rallus limicola, is a laterally compressed marsh bird native to wetland habitat across much of North America. Its body shape flattened for slipping between dense reeds, long curved bill for probing mud and shallow water, and persistent elusiveness even in relatively open marshes make it one of the most anatomically specialised and genuinely difficult-to-observe members of the entire rail family.
The phrase made literal
Few animals embody a common expression as directly as the Virginia rail, whose side-flattened body is the very shape that gave rise to describing something exceptionally thin as being “thin as a rail” in the first place.
Status
Least Concern, remaining present across suitable wetland habitat throughout North America.
Virginia Rail: common questions
Why is the Virginia rail's body shaped so differently from most birds?
This species has a body notably flattened from side to side, an adaptation that lets it slip between dense marsh reeds and vegetation without disturbing the surrounding stalks, a shape that gives rise to the classic phrase "thin as a rail."
Why is the Virginia rail so hard to see?
This species is rarely seen despite inhabiting marshes that are not especially dense, relying on its laterally compressed body shape and cautious, secretive behaviour to slip through vegetation and avoid detection rather than depending on truly impenetrable cover.
What does the Virginia rail eat?
This species feeds on insects, worms, snails, and small aquatic invertebrates, probed from mud and shallow water using a long, slightly curved bill well suited to reaching hidden prey.
Where does the Virginia rail live?
This species is native to wetland habitat across a broad range spanning much of North America, favouring freshwater marshes with dense emergent vegetation for cover.