Pin feather protective peripheral sheath, longitudinal barb ridges, and growth plates. Over time these barb ridges lengthen helically, branch to create barbs and barbules, and fuse to form the rachis or central shaft. Moreover, the barb plate further differentiate into hooklets and cilia, while the marginal and axial plate die to form the intervening space within the feather structure. During moulting, a bird may get careless and begin to chew at its feathers and might accidentally damage a blood feather. To prevent this, it is necessary that the bird is given chewing toys so that it does not chew at its own
Calamus-Wheatland High School the result of a merger of the former Calamus and Wheatland school districts. Toronto had earlier been a separate school district, and was incorporated into Wheatland sometime in the early 1960s. Calamus-Wheatland sports teams are known as the Warriors; their uniforms display the school's colors of navy blue and silver. The school fields athletic teams in 12 sports, including: As the school does not have its own football or soccer programs, athletes wanting to play these sports participate in a cooperative program with Central DeWitt High School. The school also has a competitive dance team. Calamus-Wheatland is classified as a