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
The Barbs killing your parents, stealing guitars and humping till dawn ever penned". They also released an album, "Lupine Peroxide". On 1 December 2004, they were one of the headline acts at the MTV Staying Alive Music Summit, playing to a crowd of over 50,000. They also made several tours of the UK with bands such as The Rocks. Illustrator Emma Renton initially designed two of the Barbs single covers. Later, Jim Connolly was commissioned to produce comic book style artwork for their remaining sleeves. After the group broke up, guitarist Amy and guitarist/vocalist Tim went on to form What Would Jesus