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 Gilded Cage instead of love. Its lyrics are as follows: Bing Crosby included the song in a medley on his album "On the Sentimental Side" (1962). Sylvester Stallone sings the song in his guest spot of "The Muppet Show". Malcolm McLaren produced, together with Bootsy Collins, a cover version of "Bird in a gilded cage" in hiphop style as a bonus track for a release from his album Waltz Darling, The House of the Blue Danube. (1989). Kristin Chenoweth sings the song as Lavinia Peck-Foster in season 2 episode 2 of "Trial & Error". A Bird in a Gilded Cage "A Bird