For the Birds Radio Program: "Intersex" Mallard
Original Air Date: Feb. 4, 2009
Rerun Dates:
Feb. 13, 2014;
Feb. 19, 2013;
Feb. 17, 2012;
Feb. 8, 2011;
Feb. 9, 2010
As we, and birds, get older and some hormones ebb, our bodies grow increasingly more like the other sex.
