101816_timvanberg.jpg

October 18, 2016

by Tim Van Den Berg

A bobcat makes the most of a palo verde’s shade at a park in Tucson.

101716_andreistoica.jpg

October 17, 2016

by Andrei Stoica

A climber attempts to scale a rock wall at Wind Cave near Chinle.

101616_clifflaplant.jpg

October 16, 2016

by Cliff LaPlant

A full moon rises over the Kofa National Wildlife Refuge in Western Arizona.

101516_sergiocasares.jpg

October 15, 2016

by Sergio Casares

A Western diamondback rattlesnake slithers along an Arizona dirt road.
101416_mikekelly.jpg

October 14, 2016

by Mike Kelly

Long shadows form on the Dragoon Mountains in Southeastern Arizona.
101316_kathleenwassellecroft.jpg

October 13, 2016

by Kathleen Wasselle-Croft

Colorful fall leaves swirl in the water of Workman Creek.
101216_richhelmer.jpg

October 12, 2016

by Rich Helmer

Black-and-White Wednesday: Atop Mount Lemmon, an iconic tree stump overlooks the Tucson area.

101116_stevewolfhope.jpg

October 11, 2016

by Steve Wolfhope

Flowers bloom on a small cactus at Saguaro National Park near Tucson.