Scansoriopterygidae scansoriopterygids had a semilunate carpal (half-moon shaped wrist bone) that allowed for bird-like folding motion in the hand. Even if powered flight was not possible, this motion could have aided maneuverability in leaping from branch to branch. The adult specimen of "Epidexipteryx" lacked preserved feathers around the forelimbs, but preserved simple feathers on the body and long, ribbon-like feathers on the tail. The tail feathers, likely used in display, consisted of a central shaft (rachis) and unbranched vane (unlike the vanes of modern feathers, which are broken up into smaller filaments or barbs). "Yi" also preserves feathers. These are notably
Calamus, Wisconsin 105.1 males. For every 100 females age 18 and over, there were 110.4 males. The median income for a household in the town was $50,000, and the median income for a family was $54,107. Males had a median income of $33,636 versus $24,671 for females. The per capita income for the town was $19,818. About 5.5% of families and 7.8% of the population were below the poverty line, including 13.0% of those under age 18 and 5.4% of those age 65 or over. Calamus, Wisconsin Calamus is a town in Dodge County, Wisconsin, United States. The population was 1,005 at