An attempt at capturing the aggressive behavior of the Cardinal, with males generally the ‘nastier’ of the two.
The aggressive behavior within the species is rather common, and not limited to the male/female interaction seen here..
Higher ISO @ 1600, f/11, 1/4000th and bright sunlight – no flash. Canon 1D Mark III, 300mm f/2.8 + 1.4x @ 10 frames per second shutter
http://howardcheek.photoshelter.com/...0003TpPOUbJAT8