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Mammals

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

An aye-aye lemur.

Extra Thumb Discovered on Aye-Aye Lemurs, Giving These Primates Six Fingers

Used for gripping limbs, a “pseudo-thumb” makes the hands of these bizarre primates even creepier

Let the battle of the bulge commence

Trending Today

Holly Cow! Fattest Bear of Them All Claims Coveted Title

For #FatBearWeek2019, the furever fabulous 435 Holly reigns triumphant

Too cute to be nameless.

Help the Shedd Aquarium Name Its Rescued Otter Pups

The aquarium hopes the contest will help raise awareness about southern sea otters’ ongoing conservation needs

Trending Today

Once Thought to Be Extinct, This Lucky Clover Has Recovered Enough to Come Off the Endangered List

Running Buffalo Clover, which once spread on trampled ground left by bison, has made a comeback in the Midwest and Appalachians

This bat gleans insects from leaves. A team of researchers discovered that by approaching a leaf at an oblique angle, it can use its echolocation system to detect stationary insects in the dark.

Bats Use Leaves as Mirrors to Locate and Catch Their Prey

The latest discovery in the arms race between bats and insects reveals that even silent, motionless dragonflies aren’t safe

The bottlenose mother, pictured here with her adoptive whale calf and biological daughter, exhibited unusually tolerant behavior

Researchers Document First Known Case of Dolphin Mom Adopting Whale Calf

The melon-headed male whale actively competed for his adoptive mother’s attention, repeatedly shoving his bottlenose dolphin sister out of the way

Biswamoyopterus gaoligongensis

Cool Finds

New Species of Giant Flying Squirrel Discovered in China

Weighing 3 to 4 pounds, the Mount Gaoligong flying squirrel was recently found in Yunnan province

Minke whale on a whaling ship in a Hokkaido port on July 1, 2019.

Trending Today

Japan Resumes Commercial Whaling in Its Home Waters

As of yesterday, the whaling fleet had caught 2 minke whales and set a quota of 227 animals for the rest of 2019

An artist’s rendering of ancient Arctic hyenas belonging to the genus Chasmaporthetes. A new study reports that two enigmatic fossil teeth found in Yukon Territory in Canada belonged to Chasmaporthetes, making the teeth the first known fossils of hyenas found in the Arctic.

Beyond Dinosaurs: The Secrets of Earth's Past

Prehistoric Hyena’s Teeth Show Bone-Crushing Carnivore Roamed the Arctic

The only hyena to live in North America, Chasmaporthetes, had the stature of a wolf and the powerful jaws of its modern relatives

Unlike modern beavers, which use their sharp-edged teeth to chop up trees and build dams, mega-sized ones were unable to alter their environment to fit their needs

Why Did These Human-Sized Beavers Go Extinct During the Last Ice Age?

A new study suggests the giant beavers disappeared after their wetland habitats dried up, depriving the species of its aquatic plant-based diet

If listed under the Endangered Species Act, giraffes would become eligible for federal funding aimed at conservation, and limits would be placed on the import of the animal's body parts

The United States May List Giraffes as an Endangered Species

Last week, the U.S. Fish and Wildlife Service announced plans to conduct in-depth review of the popular animal’s threat status

Argali are the largest wild sheep in the world, weighing up to 400 pounds.

The Decades-Long Effort to Protect the World’s Largest Sheep

In the Gobi Desert, where argali roam, a group of Mongolian researchers work to conserve the wild sheep populations

An artist's rendering of the extinct hypercarnivore

This Toothy Carnivore Was Bigger Than a Polar Bear

Some 22 million years ago, the apex predator ruled the forests of Africa and dined on the ancestors of hippopotamuses and elephants

Researcher Jack Ashby initially suspected a crow was responsible for the toad's skinning, but after examining the photo, he concluded that an otter was the more likely culprit

Why Otters Disembowel Toads Before Eating Them

The unfortunate amphibian likely fell victim to an otter, which skinned it to avoid ingesting the deadly toxins found in its glands

The lowland streaked tenrec (Hemicentetes semispinosus) in Andasibe-Mantadia National Park, Madagascar.

Defensive Spines on Tenrecs Could Come at a Cost to Brain Size

The little mammals of Madagascar appear to have undergone an evolutionary tradeoff between brain size and defensive armor

A rare, blue-eyed coyote

Rare Blue-Eyed Coyotes Spotted in California

Coyotes’ eyes are consistently golden-brown, so researchers have been surprised to learn of five California coyotes with piercing baby blues

New Research

Scientists Use AI to Decode the Ultrasonic Language of Rodents

The DeepSqueak software translates the high-pitched communication into sonograms, which can be analyzed to determine what mice and rats are saying

A newly collared mule deer is released onto its winter range.

New Tracking Technology Reveals Hidden Animal Migration Routes

Using improved GPS collars, scientists are mapping more herd migration routes than ever before, a key to conservation efforts in the western United States

Magnet, one of the endangered North Atlantic right whales returning to their wintering grounds in Georgia and Florida.

Cool Finds

First Right Whale Calf in Two Years Spotted Off Florida Coast

A mother and calf were recently sighted along with several possibly pregnant endangered North Atlantic right whales

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