Check out these photos of Atractus snakes, which typically live in burrows and eat insect larvae.
An endangered species is defined by the U.S. Fish & Wildlife Service as "an animal or plant species in danger of extinction throughout all or a significant portion of its range." In the United States, these animals can be listed under and protected by the Endangered Species Act. Endangered Species in the United States include the black-footed ferret and the California red-legged frog. The International Union for Conservation of Nature also keeps a Red List of Threatened Species, the most widely recognized list of endangered and threatened species. On this list, for example, are all the surviving subspecies of tiger, which range from endangered to critically endangered.
A first-of-its-kind killing in a zoo does not surprise some conservationists familiar with rhino poaching.
The Trump administration and Republicans have introduced at least 11 pieces of legislation that could weaken the Endangered Species Act or prevent some threatened wildlife from being protected.
A tree-dwelling Cropan's boa snake recently captured in Brazil is the first living specimen seen in 64 years.
Nearly half of the mammals and a quarter of the birds studied are already feeling the effects of climate change.
Mini drones sporting horsehair coated in a sticky gel could one day take the pressure off beleaguered bee populations by transporting pollen from plant to plant, researchers said.
A wall proposed by President Donald Trump to block immigrants from crossing the U.S.-Mexico border may also harm the wildlife whose homes straddle both countries, biologists told Live Science.
The most comprehensive review of primate populations ever conducted finds that 60 percent of our closest biological relatives are threatened with extinction.
Colo, the world's oldest known gorilla and the first gorilla born in captivity in the U.S., has died peacefully in her sleep at the age of 60.
The rusty patched bumblebee is the first bumblebee species listed as endangered in the United States.
Giraffe populations have taken a nose dive, leading to their new designation as "threatened with extinction," by the International Union for Conservation of Nature.
The Bronx Zoo recently earned a place in the Guinness World Records for the most origami elephants -- 78,654 to be precise.