One-third of North American birds need immediate conservation action, or they could face extinction, according to the 2016 State of North America's Birds report. According to the report, ocean birds and those in the tropical forests face the greatest danger. The National Audubon Society was one of many conservation organizations and government agencies partnering on the study.
HOTSPOT: Flyover of California's Birds and Biodiversity
California is a global biodiversity hotspots, with one of the greatest concentrations of living species on Earth.