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Learn More
In Learn More the National Geographic magazine team shares some its best sources and other information to expand your knowledge of our featured subjects. Special thanks to the Research Division.

Related Links

Conservation International Biodiversity Hotspots
The California Floristic Province is one of 34 biodiversity hotspots identified by Conservation International. Discover what makes each of these sites unique and what you can do to help preserve Earth's natural wonders.

Bighorn Institute
Learn about the wild sheep of North America and how to help save the endangered populations of bighorns.

Jepson Flora Project
Get online access to updated, definitive sources on the plants of California.

Golden Gate Raptor Observatory
Check out pages on rare raptors or visit the observatory for "hawk talks" and banding demonstrations.

The Nature Conservancy
This international organization dedicated to preserving the diversity of life on Earth owns most of Santa Cruz Island and is currently working to save the island fox from golden eagles first attracted to the island by a large population of feral pigs.

Bibliography

Butcher, Russell. America's National Wildlife Refuges: A Complete Guide. Roberts Rinehart, 2003.

Kruckeberg, Arthur. California Serpentines: Flora, Vegetation, Geology, Soils, and Management Problems. University of California, 1984.

Life on the Edge: A Guide to California's Endangered Natural Resources. Biosystems Books, 1994.

Mittermeier, Russell, and others. Hotspots Revisited. CEMEX and Conservation International, 2004.

Noss, Reed. The Redwood Forest: History, Ecology, and Conservation of the Coast Redwoods. Save-the-Redwoods League, 2000.

Snyder, Noel, and Helen Snyder. The California Condor: A Saga of Natural History and Conservation. Academic Press, 2000.

Van Driesche, Jason, and Roy Van Driesche. "After All the Sheep Are Gone: The Recovery of Santa Cruz Island After 140 Years of Grazing." In Nature Out of Place: Biological Invasions in the Global Age. Island Press, 2000.

NGS Resources

Morell, Virginia. "Hotspots: The Rain Forest in Rio's Backyward." National Geographic (March 2004), 2-27.

Parfit, Michael. "Hotspots: Islands of the Pacific." National Geographic (March 2003), 106-25.

Warne, Kennedy. "Hotspots: New Zealand." National Geographic (October 2002), 74-101.

Vesilind, Priit J. "Hotspots: The Philippines." National Geographic (July 2002), 62-81.

Morell, Virginia. "Hotspots: China's Hengduan Mountains." National Geographic (April 2002), 98-113.

Ward, Geoffrey C. "Hotspots: India's Western Ghats." National Geographic (January 2002), 90-109.