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Frost-bitten Hackberry

We’ve had some very cold nights, and the Hackberry bush, which has been green all winter, has turned this fall gold just  at the time that Tucson normally starts to feel spring.

Saw a juvenile Cooper’s Hawk. It exhibited a behavior which I thought I had seen a few days ago but had not been sure about: flew from one telephone pole to another, picked up a small mammal or bird it had cached there and flew off with it.

Also saw a flash of what might have been a Green-headed Towhee—right sort of shy behavior fleeing from inside a bush and a glimpse of gold and green.

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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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