Extinction

Adult mayflies following an emergence on Lake Erie.

Massive Mayfly Swarms Are Getting Smaller—and That's Bad News for Aquatic Ecosystems

The drop is a sign that the insects’ populations are threatened, which could negatively affect the animals that feed on them

Española tortoises are reared for five years before being released on the Galápagos' Española Island.

Diego, the 100-Year-Old Tortoise Who Fathered 900 Babies, Returns to the Wild

The breeding program brought the Española tortoise population back from the brink

A Chinese paddlefish specimen made in 1990 is seen on display at the Museum of Hydrobiological Science of the Chinese Academy of Sciences in Wuhan, China. The Chinese paddlefish's sharp, protruding snout made it one of the largest freshwater species in the world.

The Chinese Paddlefish, Which Lived for 200 Million Years, Is Now Extinct

New research concludes the freshwater species likely disappeared between 2005 and 2010 due to human activity

After seeing their numbers slashed due to overhunting in the 20th century, North Atlantic right whales still face plenty of threats, including ship strikes, habitat degradation and pollution. A mother and her calf are seen in this aerial image from 2005.

Can Scientists Protect North Atlantic Right Whales by Counting Them From Space?

A new collaboration between the New England Aquarium and the engineering firm Draper seeks to use satellite sonar and radar data to create a global watch

An infant mountain gorilla from the Katwe group in Bwindi Impenetrable National Park, Uganda.

Endangered Mountain Gorilla Populations Are Growing

But the animals remain threatened with extinction

Dead mussels along the Clinch River.

Scientists Don't Know Why Freshwater Mussels Are Dying Across North America

Mussel species are dying en mass in rivers across the Pacific Northwest, Midwest and South—likely from unidentified pathogens

A Carolina parakeet (Conuropsis carolinensis) specimen.

The Extinction of This U.S. Parrot Was Quick and Driven by Humans

A new study sequenced the genome of the Carolina parakeet, once the only parrot native to the eastern part of the country

New York is the largest city to implement legislation requiring bird-friendly construction.

New York Is Poised to Require Bird-Friendly Glass on All New Buildings

Each year, up to a billion birds in the United States die from glass collisions

The Ten Best Science Books of 2019

New titles explore the workings of the human body, the lives of animals big and small, the past and future of planet earth and how it's all connected

An image from Birds of America by John James Audubon depicting the Great Auk.

Humans May Be Solely to Blame for the Great Auk’s Extinction

A new study suggests that the flightless birds were not declining due to environmental changes when humans began to hunt them in large numbers

Iman died of cancer on November 23 at a sanctuary in Borneo.

Sumatran Rhinos Are Now Extinct in Malaysia

Iman, a 25-year-old female and the last Sumatran rhino in the country, died on Saturday

The study authors write: "We posit here that artificial light at night is another important – but often overlooked – bringer of the insect apocalypse."

The Devastating Role of Light Pollution in the 'Insect Apocalypse'

A new study shows excess outdoor light is impacting how insects hunt, mate and make them more vulnerable to predators

City noise can throw off a bat's ability to use echolocation.

Noise Pollution Impacts a Wide Range of Species, Study Finds

From tiny insects to large marine mammals, animals are affected by noise in ways that might threaten their survival

Researchers Discover Secret Breeding Ground of World's Most Endangered Crocodile

Over 100 recently-hatched gharials were found deep in Nepal's Bardia National Park

A humpback whale basks in sunlight at the ocean's surface in Atlantic Ocean off the coast of the Dominican Republic.

South Atlantic Humpback Whales Have Rebounded From the Brink of Extinction

A new study estimates that the group’s population has grown from 440 individuals in 1958 to nearly 25,000 today

A two-month-old filefish collected in the survey surrounded by plastic bits.

Newly Identified Fish Nurseries Are Choked With Plastic

Larval fish congregate in surface slicks, which contain plankton—and 126 times more plastic than surrounding waters

A steppe eagle with an SMS tracker attached.

Text Messages Sent by Roaming Eagles Bankrupt Scientific Study

A steppe eagle named Min spent months out of range before reappearing in Iran and sending hundreds of expensive SMS texts

CGI rendering of ancient Loxolophus mammal taken from the PBS NOVA special, Rise of the Mammals. In this recreation, Loxolophus scavenges for food in the palm dominated forests found within the first 300,000 years after the dinosaur extinction.

Fossil Site Reveals How Mammals Thrived After the Death of the Dinosaurs

Recent discoveries highlight how mammals lived before and after the asteroid impact that triggered the world's fifth mass extinction

Why Did Thousands of Rubber Bands Show Up on an Uninhabited Cornish Island?

Nesting gulls have likely been trying to feed the bands found in nearby flower fields to their chicks for decades

Birds are considered an indicator species, representing the health of entire ecosystems.

North America Has Lost Nearly 3 Billion Birds Since 1970

The staggering population loss of 29 percent of North American birds could signal an ecological crisis

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