Scientists believe American alligators have been around for nearly 150 million years, but they came close to going extinct. American Alligator explores the alligator's key role in its…

American bison are an icon of the American West, but they nearly disappeared forever. American Bison reveals the importance of America's national mammal to the West, how hunting in the 1800s…

The bald eagle is the national symbol of the United States, but the bird almost disappeared from North American skies. Bald Eagle explores how the species was once threatened by hunting and…

California condors once soared the US Pacific Coast, but by 1982, their dwindling numbers forced conservationists to bring the few remaining birds into captivity. California Condor follows…

Giant Galápagos tortoises have roamed the Galápagos Islands for thousands of years, but these creatures almost disappeared from their tropical habitat. Giant Galápagos Tortoise describes the…

People around the world and throughout history have feared wolves. This fear nearly led to the gray wolf's extinction in the United States. Gray Wolf explores how this fierce predator came…

Grizzly bears are powerful animals that eat a wide variety of foods. When people started living closer to grizzlies, the two species clashed. Grizzly Bear investigates the complex…

Humpback whales use unique songs to communicate throughout the world's oceans. But whaling and other threats almost silenced humpback whales completely. Humpback Whales describes the…