Crest (feathers) Crest (feathers) The crest is a prominent feature exhibited by several bird and other dinosaur species on their heads. The crest is made up of semiplume feathers: a long rachis with barbs on either side. These are plumulaceous feathers, meaning that they are soft and bendable. In birds, these semiplumes are common along the head, neck, and upper back, and may be used for buoyancy and sensing vibrations. Crests on birds are generally used for display purposes. Cockatoos and their smaller cousins, cockatiels, are part of the parrot family Cacatuidae found in Australia, the Bismarck Archipelago and the Philippines, and
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