The photo of the line of pecked holes on the trunk of the oak is mine. I don’t think I could do be that precise with an electric drill and ruler.
The photo of the male red-naped sapsucker is from Cornell Lab All About Birds: https://www.allaboutbirds.org/guide/Red-naped_Sapsucker/id
Oh, and the field guide referred to above is: Finding Birds in Southeast Arizona from The Tucson Audubon Society. It’s in its eighth edition and it is to die for if you are an amateur (me) or expert birder.
The Santa Cruz River Trail between Congress St. and Speedway BLVD. in Tucson is a very nice 2 mile loop. Join the Southwestern Trails...
On the weekend of November 1st through the 3rd, activists from around the country and around the world came to Tucson for Tear Down...