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Yellow Paloverde flower   

The Verdin’s are singing their spring song (a wistful modification of a wolf whistle), as are the thrashers (a virtuoso performance of warbles and trills, heard earlier this morning from my bed). I heard a towhee, and got a glimpse of the hawk again, flying away as I approached home. Not many flowers this year because of the drought, but the paloverdes are beginning to come out. Already it is quite warm by 9:00 a.m.

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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.

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