Feather hidden by them, with one or two filoplumes attached and sprouting from near the same point of the skin as each contour feather, at least on a bird's head, neck and trunk. In some passerines, filoplumes arise exposed beyond the contour feathers on the neck. The remiges, or flight feathers of the wing, and rectrices, the flight feathers of the tail are the most important feathers for flight. A typical vaned feather features a main shaft, called the rachis. Fused to the rachis are a series of branches, or barbs; the barbs themselves are also branched and form the barbules.
Calamus Swamp website, Calamus Swamp has a unique plant community. Because of the moist soil, trees such as the American Elm, Green Ash and, in places, Red and Silver maples make up the swamp forest. Calamus Swamp has a wide range of birds and animals: Because the Scioto River is only away, the lake attracts many migrating water birds, such as ducks, geese, grebes, and others. Mammals that have been spotted here include raccoons, muskrats, groundhogs, opossums, and white-tailed deer. The lake is home to other animals including the Ohio fairy shrimp, white leech, horse leech, giant water bug, pond snail, and