Feather duster budgerigar Feather duster budgerigar Feather duster budgerigars ("Melopsittacus undulatus"), sometimes called budgerigar mops, are budgerigars that have a condition characterised by overly long feathers that do not stop growing at usual periods, giving the bird the appearance of a feather duster. This condition is sometimes known as chrysanthemum feathering. The contour, tail and flight feathers do not stop growing, and they do not have the necessary barbs and barbules for the feather's structure to interlock. The shaft (calamus) is also curved, and so the feathers appear deformed and fluffed out. Individuals with this condition often appear less alert than nest mates.
Calamus, Iowa a more favorable location in what is now the town of Calamus. The present day location of Calamus, a small village on the Union Pacific Railway, was platted in 1860 by R. S. Dickinson, who owned the land on the north side of the railroad, and Col. Milo Smith, who owned that on the south. James Keith opened the first store here containing a small stock of groceries and accessories, located about where the present day Faith Lutheran Church stands. In 1861, R.S. Dickinson and his son A.L. built the first general store, and opened a large and complete stock