Steve Courson:
cliff swallow gets some bedding
Steve Courson:
three amigos
Steve Courson:
cliff swallow
Steve Courson:
barn swallow
Steve Courson:
northern rough-winged swallow
Steve Courson:
violet-green swallow
Steve Courson:
mud on their beaks
Steve Courson:
cliff swallows getting mud for their nests
Steve Courson:
cliff swallows getting mud for their nests
Steve Courson:
cave swallows