Mud Dauber.
Tags: arizona,coronado national forest,mud dauber,nest,pima county,rincon mountain wilderness,rincon mountains,santa catalina ranger district

Repurposed.
Tags: arizona,coronado national forest,nest,pima county,posta quemada canyon,rincon mountain wilderness,rincon mountains,santa catalina ranger district,united states,wind mill

Leaving the Nest.
Tags: highway 90,nest,pennington county,rest stop,south dakota,swallow