Our planet now faces a global extinction crisis never witnessed by humankind. Scientists predict that more than 1 million species are on track for extinction in the coming decades. But there’s still ...

We're in the midst of the Earth’s sixth mass extinction crisis. Harvard biologist E. O. Wilson estimated that 30,000 species per year (or three species per hour) are being driven to extinction.

For generations, Nevada’s big-eyed, black-freckled Dixie Valley toad thrived in a small desert oasis, hidden from humans. But by the time scientists described it in 2017, the toad was already ...

Description: The tallest land mammal, with a neck as long as 6 feet, the giraffe is also well known for the unique brown and white pattern on its coat (“pelage”) and its lengthy eyelashes and legs.

The great white polar bear is the youngest and largest of the world's bear species — a mighty hunter and fierce defender of its young that's among the world's most vulnerable animals. Two-thirds of ...

For every county in the United States, the map below shows information on all the animals and plants protected under the U.S. Endangered Species Act as threatened or endangered. To see the number of ...

DESCRIPTION: The lesser prairie chicken is a medium-sized, gray-brown grouse. It has barred plumage with alternating dark and white bands and a rounded tail. Males display bright yellow combs above ...

DESCRIPTION: Canada lynx are medium-sized felines with long legs; large, furry paws; long, black ear tufts; and a short, black-tipped tail. Adult males usually weight about 22 pounds and reach about ...

The grizzly bear is so named because its hair is grizzled, or silver tipped, yet the name is commonly believed to be derived from “grisly,” meaning “horrible.” DESCRIPTION: A subspecies of brown bear, ...

Gentle and playful marine mammals, Florida manatees have come to represent the amazing biodiversity of Florida. With their large size, slow-moving nature, and fondness of seagrass, it's easy to see ...

The variability among living organisms on the earth, including the variability within and between species and within and between ecosystems. Biological diversity, often shortened to biodiversity, is ...

Having collected the most recent census data from state and federal bald-eagle managers in each of the lower 48 states and the District of Columbia, the Center for Biological Diversity has determined ...