00305nam a2200109 a 450000500170000000800410001705000200005824500300007826000240010844000320013265000310016420140414131855.0100825s19uu    xx            00    eng d  aM 598bW55 2008  aWhy do birds have beaks?.  bMiles Kelly,c2008.  aFirst questions and answers  aBirdsxJuvenile literature