Cool is returning to the morning walks. This hawk was particularly close to me and didn’t seem to mind me walking around. Earlier I had seen him swoop down to the ground, but didn’t see what it was he wanted to catch.
About Bill McCallum
I was born in Australia and came to the United States to pursue a Ph. D. in mathematics at Harvard University, met my wife, and never went back. I am a professor at the University of Arizona, working in number theory and mathematics education.