Many giant animals roamed the Earth after non-avian dinosaurs went extinct.

After Dinosaurs Went Extinct, These Ten Giant Creatures Roamed the Earth

Though we often think of the “terrible lizards” as behemoths, many later reptiles and mammals also grew to massive sizes

Ravens prey on juvenile desert tortoises.

For Young Threatened Desert Tortoises, These Technologies Have Arrived to Help

Biologists are deploying 3D-printed replicas of hatchlings, lasers and drones to curb predation


The critically endangered ‘akē‘akē (the Hawaiian name for the band-rumped storm petrel) is one of the species that could benefit from rat-free habitat on Lehua Island, Hawai‘i.

This Tiny Hawaiian Island Is Free of Invasive Rats

Now scientists are trying to coax back lost seabird colonies

Marion Island is home to a quarter of all wandering albatrosses in the world.

The Ambitious Plan to Stop Mice From Eating Seabirds

Conservationists want to clear Marion Island of the pests, which are wreaking havoc on albatross and other nesting species

Snow petrels were among the seabird species that did not reproduce in Antarctica's Dronning Maud Land region in 2021-22.

Strong Snowstorms Prevented Tens of Thousands of Antarctic Seabirds From Breeding

With their nesting sites buried under a blanket of snow, some petrels and skuas made no attempts at reproducing in December 2021 and January 2022

Wandering albatross pair in courtship in South Georgia. Researchers have found some birds have bolder personalities than others.

Animal Personalities Can Trip Up Science

Individual behavior patterns may skew studies, but researchers have a solution to this problem

The National Audubon Society was founded in 1905 and named after naturalist John James Audubon, who died in 1851.

National Audubon Society Votes to Keep the Name of an Enslaver

The move has been criticized by some local chapters that have severed ties with naturalist and slaveholder John James Audubon

A cockatoo uses a sharp stick to poke through a membrane before using a scoop to fish out the cashew inside the box.

Like Humans and Chimps, Cockatoos Can Use a Set of Tools to Get a Meal

In lab experiments, the brainy birds carried a stick and scooped with them to get at cashews kept in a box

A screenshot of an interactive walkthrough of the Hantan River in Korea

See Google Street View Images of Korean Demilitarized Zone

Established in 1953, the off-limits area has become a haven for plants and wildlife

A just-hatched chick stands next to its egg.

Why Newborn Chicks Love Objects That Defy Gravity

A clever new study shows the cute critters will often scuttle toward a video of a rising ball