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2011 BioBlitz:
Saguaro National Park

Park ranger and visitors looking at aquatic life
Exploring aquatic life with a park ranger at the Saguaro National Park BioBlitz. NPS/Ginny Reams.

The 2011 National Geographic Society–National Park Service BioBlitz took place at Saguaro National Park in October. For a glimpse of last year's activity, visit the youth ambassadors' blog to read about their experiences during the big event or explore the photo gallery.

Last Updated: August 23, 2012