PopulationConservation, overpopulation and extinct and endangered species
Can biologists breed the "Dinosaurs of the Missouri" fast enough to stave off their extinction?
March 2007 | By Sam Hooper Samuels
A son of the colonial aristocracy goes on trial for killing a poacher in Kenya, where an exploding human population is heightening tensions and stretching resources to the breaking point
February 2007 | By Richard Conniff
Little noticed by the outside world, perhaps the most dramatic decline of a wild animal in history has been taking place in India and Pakistan. Large vultures, vitally necessary and once numbering in the tens of millions, now face extinction. But why?
February 2007 | By Susan McGrath
A plummeting cougar population alters the ecosystem at Zion National Park
December 01, 2006 | By Eric Jaffe
A new strategy to curb the spread of gypsy moths
November 16, 2006 | By Eric Jaffe
The United States reaches a demographic milestone, thanks largely to immigration
October 2006 | By Joel Garreau
Despite poachers, insurgents and political upheaval, India and Nepal's bold approach to saving wildlife in the Terai Arc just may succeed.
July 2006 | By John Seidensticker and Susan Lumpkin
An idealistic married couple defy poachers and police in strife-torn Zimbabwe to protect a threatened herd of placid pachyderms
January 2006 | By Paul Raffaele
Novel camera traps have documented the elusive cat in Arizona, suggesting it may not be gone from the United States after all
December 2005 | By Will Rizzo
When feelings of kinship transcend the species boundary
November 01, 2005 | By Douglas Chadwick
Contraception shows promise, but other measures may be needed to lessen the toll that the deer boom is having on forests and suburbs
October 2005 | By Anne Broache
Not every endangered species is doomed. Thanks to tough laws, dedicated researchers, and plenty of money and effort, success stories abound
September 2005 | By Daniel Glick
How did the ivory-billed woodpecker, which was feared extinct, hang on all these years?
August 2005 | By Scott Weidensaul
A new photo library of West Africa's desert elephants is helping researchers track the dwindling herd and protect their imperiled migration routes.
July 2005 | By Laura Helmuth
A woodpecker feared extinct reappears in Arkansas
June 2005 | By Laura Helmuth
On the remote Alaskan archipelago, scientists and Aleuts are trying to find the causes of a worrisome decline in fur seals
March 2005 | By Doug O'Harra
When a group of Native Americans took up bison ranching, they brought a prairie back to life
February 2005 | By Leslie Allen
A pistol-packing American scientist puts his life on the line to reduce "the most serious threat to African wildlife"the illegal hunting of animals for foodand to STOP THE CARNAGE
January 2005 | By Paul Raffaele
A disastrous chain of events nearly wiped out California's diminutive island fox. Scientists hope it's not too late to undo the damage
October 2004 | By Adele Conover and Andrew Curry
Wielding cutting-edge science and lots of patience. James Hill Craddock hopes to restore the ravaged American chestnut tree to its former glory
September 2004 | By Susan Freinkel