you're reading...

Zebra-tailed Lizard

These are the guys that are skittering across the desert all the time, pausing to wave their tails in the air. Sally tells me this is a message to road-runners not to bother to try to catch them, because they are too fast.

Also saw a family of Cactus Wrens arguing on top of a Saguaro. The swallows weren’t there today. Maybe they were migrating Tree Swallows.

next >


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.


No comments yet.

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s

%d bloggers like this: