This compilation of precedents begins with the first tenure of Francois la Flamme (August 2001 - April 2004), during which considerable decisions were handed down regarding birds, and moves forward in time from that point.
And Crosses in SCA Heraldry, for the inspiration.
2014 Letters: January February March April
2013 Letters: January February March April May June July August September October November December
2012 Letters: January February March April May June July August September October November December
2011 Letters: January February March April May June July August September October November December
2010 Letters: January February March April May June July August September October November December
2009 Letters: January February March April May June July August September October November December
2008 Letters: January February March April May June July August September October November December
2007 Letters: January February March April May June July August September October November December
2006 Letters: January February March April May June July August September October November December
Rules discussion letter (September 2005)
2005 Letters: January February March April May June July August September October November December