Autumn is the season of migration for many avian species and in the borderlands of southern Arizona hummingbirds are passing through, sparrows are arriving...
All the plants and their communities I was excitedly jabbering about are in the borderlands year round, but the sandhill cranes are only here...
The Dainty Sulfur (Nathalis iole) flies year round all over Arizona, especially on mild days. The western pygmy blue (Brefidium exile) is the smallest...
