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 ends with the word "Oshimai!". "A Bird in a Bonnet" is one of six cartoons scored with stock music by John Seely from the Capitol Records Hi-Q library because of a musician's strike in 1958; the others are "Weasel While You Work", "Hip Hip-Hurry!", "Hook, Line and Stinker", "Gopher Broke", and "Pre-Hysterical Hare". This cartoon is the only Friz Freleng cartoon to have a Seely score; two others were directed by Chuck Jones (both starring Wile E. Coyote and Road Runner), while the remaining three were helmed by Robert McKimson. A Bird in a Bonnet A Bird in a Bonnet