In the heart of Florida's Everglades, American alligators (Alligator mississippiensis) play a key role as "ecosystem engineers." Their ability to change the landscape has a fundamental impact on the biodiversity and health of this unique wetland environment.
Category: America
How did Death Valley get its name? It's not because of the heat.
In December 1849, a group of settlers seeking their fortune stumbled upon the inhospitable “Death Valley.” Only a few of them survived, giving it its eerie name.