http://mayo.personcounty.net/Bird%20Folder/Songbirds/American%20Robin.jpg
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http://www.google.ca/imgres?imgurl=http://www.southeasternoutdoors.com/wildlife/birds/images/american-robin-hatchling.jpg&imgrefurl=http://www.southeasternoutdoors.com/wildlife/birds/american-robin.html&usg=__6Ge3fE2K1USsXsKMxIP6smCt4Es=&h=338&w=450&sz=73&hl=zh-CN&start=10&sig2=FAJjbpR7z6Xg-_HGebLyvw&um=1&itbs=1&tbnid=JbhZNSD5auM3lM:&tbnh=95&tbnw=127&prev=/images%3Fq%3Damerican%2Brobin%26um%3D1%26hl%3Dzh-CN%26sa%3DG%26ndsp%3D20%26tbs%3Disch:1&ei=KrX2S5_WFIO88gbYr7DECg