00446nam a2200133 a 450000500170000000800410001705000200005824500300007826000240010844000320013265000310016499900190019595200980021420140414131855.0100825s19uu    xx            00    eng d  aM 598bW55 2008  aWhy do birds have beaks?.  bMiles Kelly,c2008.  aFirst questions and answers  aBirdsxJuvenile literature  c110412d110412  001040aMUbMUcMd2010-08-25l0oM 598 W55 2008pM0808r2014-04-14 00:00:00w2014-04-14yBK