Feather development grows, its spathe, which is where the rachis and vanes attach, continues to form. When spathe is finished developing, the calamus begins to form within the base of the spathe. The calamus is the quill of the feather, which is the bottom portion that stays mainly within the pulp cavity. From there, the feather is fully developed and will remain as such until molting occurs, causing it to fall off. Feathers fall off during molting, which occurs in the at different times through the year depending on the type of bird. Birds can molt for seasonal, reproductive and many other
I Am a Bird Now following people contributed to "I Am a Bird Now:" !scope="row"|Worldwide I Am a Bird Now I Am a Bird Now is the second album by New York City band Antony and the Johnsons. It won the Mercury Prize on September 6, 2005. After winning the prize, the album shot up the UK albums chart from #135 to #16 in one week, the biggest jump in the history of the Mercury Music Prize. As of September 2011, UK sales stand at 220,000 copies. The album features guest appearances by Rufus Wainwright ("What Can I Do?"), Devendra Banhart, Joan Wasser and by