Continue reading... Posted by GrrlScientist 04.00 EST Thursday 13 January 2011 Mystery bird: eastern bluebird, Sialia sialis Adult male eastern bluebird, Sialia sialis , photographed at Wilmington , North Carolina, USA. Image: Louis Shackleton , 20 December 2010 [ velociraptorize ]. Canon EOS 5D, EF 100-400L IS USM zoom Continue reading... Posted by