Sinornithosaurus form from those found on birds from the same geological deposits. The body (contour) feathers were generally between 3-4.5 cm long and included two types: the first type are formed of several filaments joined together into "tufts", similar to modern down feathers. The second type, including those on the arms, were composed of rows of filaments ("barbs") joined together along a main shaft ("rachis"), making them similar in structure to modern bird feathers. However, unlike the wing feathers of flying birds, they did not have the secondary branches with tiny little hooks ("barbules") that flight feathers have, which allow the
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