August Hummingbird wars are going on at the feeders in Brown Canyon and headquarters. The grasslands turn to a lush green carpet. September Migration mid-month brings waders and shorebirds to Aguirre Lake and hawks overhead. Horse lubbers, those huge black grasshoppers with small green-veined wings, are everywhere. October Fall sunflowers brighten Highway 286 and headquarters.
Waterfowl start arriving.
Native grasses display a variety of seedheads along Antelope Drive. Burrowing owls might be seen standing on kangaroo rat mounds next to roads near headquarters. December Coatimundi are sometimes seen in large groups at Arivaca Creek and Brown Canyon. It's a good time to practice sparrow identification near headquarters. Rufous-sided towhees show up at lower elevations at the Creek.