Photo by SW Cosgrove
Riding horses on Rincon Valley trails under the Rincon Mountains, Tucson, Arizona. Spotted a cougar for part of the ride who was keeping an eye on us.
Home of the Jumping Cholla Cactus (Opuntia fulgida), which gets its name from spiny segments that detach so easily they seem to attack any creature that passes by. I found out the hard way.