They enthralled sailors. They inspired Darwin. Then, by the mid 19th-century, the iconic Floreana tortoise was gone. Here’s ...

Understanding bees’ capabilities is, for Muth, a part of a fully-lived experience. “One of the joys of being human is being ...

Find out why the world’s largest otter has become endangered. Learn how their webbed feet, fur, and ears are perfectly ...

From its pre-Columbian peak, the Florida black bear population fell precipitously. Between unregulated hunting and habitat ...

The spider monkey’s tail is prehensile, which means “capable of grasping.” It is generally longer than the animal’s body and ...

Take a peek at the world's slowest mammal, so sedentary that algae grows on its furry coat. Read on to learn about life in ...

African elephants range throughout the savannas of sub-Saharan Africa and the rainforests of Central and West Africa. The ...

Learn about the world’s most endangered animals, including the threats they face and the conservation efforts to protect them.

Moving at a speed of around two miles per hour, basking sharks can filter around 2,000 tons of seawater an hour. Unlike the ...

Find out why the Portuguese man-of-war is not really an "it," but a "they." Discover just how much venomous punch their ...

(The National Geographic Society funds Explorer Joel Sartore’s Photo Ark project, which aims to document every species living in the world’s zoos, aquariums, and wildlife sanctuaries.) ...

Soar the Andean canyons with these enormous vultures, one of Earth’s largest birds. Learn about this at-risk species that can ...