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

Related Links

Elephant Management (National Geographic, September 2008)
In overcrowded parks, managers may have to resort to shooting elephants to save ecosystems.

Forest Elephants (National Geographic, February 1999)
In a remote clearing in the Central African Republic, biologist Andrea Turkalo observes the lives of endangered animals.

Africa's Elephants: Can They Survive? (National Geographic, November 1980)
Wildlife consultants Oria and Iain Douglas-Hamilton tally the continent's embattled giants, documenting the havoc wreaked by ivory hunters and human population pressure.

Elephant Photos, Facts, News
Hunted mercilessly for their prized ivory tusks, elephants are under threat in most of their range from poaching, habitat loss, and human encroachment and are listed as threatened by the IUCN.

Elephant Videos
Watch stories of elephants at work and play.

Zakouma National Park
The Chadian national park's website is only available in French, but English speakers can find a map locator of the park and Latin names for the park's numerous species.

IUCN African Elephant Specialist Group
This group of experts focuses on the conservation and management of African elephants, and its website provides status reports and FAQs about the African elephant, as well as access to issues of Pachyderm, a peer-reviewed scientific journal.

Chad Country Profile
The U.S. Department of State offers this helpful introduction to Chad, that gives a historical and political overview as well as statistics for the country's geography, economy, and people.

Wildlife Resources and Land Use in Chad
A report put out by the U.S. Agency for International Development's Office of Sustainable Development, Bureau for Africa, this 45-page document is an easy-to-read evaluation of the potential for Chad's wildlife to be conserved. It is an excellent resource for any researcher needing an explanation of Chad's basic geography and wildlife.

Save the Elephants
Elephant researcher Iain Douglas-Hamilton started this conservation organization in 1993 to protect the animals he has devoted his life to studying.

TRAFFIC, the wildlife monitoring network, works to ensure that trade in wild plants and animals is not a threat to the conservation of nature. TRAFFIC is a joint program of WWF and IUCN (World Conservation Union).


Burr, J. Millard, and Robert O. Collins. Africa's Thirty Years' War: Chad, Libya, and the Sudan, 1963-1993. Westview Press, 1999.

Collelo, Thomas, ed. Chad: A Country Study. Federal Research Division. Library of Congress, 1990.

Cordell, Dennis D. Dar al-Kuti and the Last Years of the Trans-Saharan Slave Trade. University of Wisconsin Press, 1985.

Douglas-Hamilton, Iain, and Oria Douglas-Hamilton. Battle for the Elephants. Viking, 1992.

Estes, Richard Despard. The Behavoir Guide to African Mammals: Including Hoofed Mammals, Carnivores, Primates. University of California Press, 1990.

NGS Resources

Fuller, Alexandra. "We Just Want Enough." National Geographic (September 2005), 100-21.

Clynes, Tom, and Cliff Ransom. "The Gabon Experiment." National Geographic Adventure (September 2003), 38-46, 79-82.

Ellis, Gerry. "The Amazing Orphan Elephant Rescue." National Geographic World (July/August 2002), 17-19.

Godwin, Peter. Wild at Heart: Man and Beast in Southern Africa. National Geographic Books, 2002.

Joubert, Dereck. The Africa Diaries: An Illustrated Memoir of Life in the Bush. National Geographic Books, 2001.

Joubert, Dereck, and Beverly Joubert. "Preying on Giants." National Geographic (November 2000), 84-95.

Belt, Don. "Forest Elephants." National Geographic (February 1999), 100-13.