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
A Bird in a Bonnet way into the hat shop. Just as Tweety hides at a table, Sylvester runs in and tries to rummage through the hats to look for him, but the sales lady catches him in the act, and chases him out. Just as the sales lady comes to the table where Tweety is hiding, Tweety stands real still on a hat, making the sales lady think that he's a cute little stuffed bird on a hat. After Granny tries it on, she thinks the same thing and buys the hat. Tweety soon realizes the joys of being said "stuffed bird" has a