Animals

German researchers tested dolphins' ability to detect electric fields.

Bottlenose Dolphins May Have an Electric Sense, Study Finds

Dimples called vibrissal pits on the beaks of the mammals can perceive electricity and might help with hunting and navigation

Wolverines live in snowy, high-elevation habitats.

Wolverines Receive Federal Protection as a Threatened Species in the Lower 48 States

The carnivorous mammals will increasingly face habitat loss and fragmentation because of climate change, according to scientists

Chinstrap penguins incubate eggs.

Chinstrap Penguins Sleep Over 10,000 Times a Day—for Just Four Seconds at a Time

The amazing microsleep strategy may be an adaptation to group living and lurking predators in a harsh Antarctic environment

A mule deer carcass in Yellowstone National Park tested positive for the fatal neurological illness known as chronic wasting disease.

'Zombie Deer Disease' Documented in Yellowstone for the First Time

The neurological condition, called chronic wasting disease, has a 100 percent fatality rate in the deer, moose and elk it infects

After peanut butter failed to attract the giant rats, researchers turned to sesame oil.

See the First-Ever Photographs of a Rare Giant Rat That Lives Only on One Pacific Island

The elusive and critically endangered Vangunu giant rats are at least twice the size of common rats

Researchers studied African penguins in the colony at Zoomarine Italia in Rome.

African Penguins Tell Each Other Apart by Their Polka Dot Patterns

New research suggests the birds may find their mates in crowded colonies by looking at their chest plumage

Svalbard reindeer graze during an early snowfall. If temperatures rise again, food may be trapped under ice during a critical time for packing on winter pounds.

The World’s Smallest Reindeer Get Their Day in the Sun

On Norway’s Svalbard archipelago, a rare animal is thriving—for now

San Francisco-based startup Loyal is developing drugs that aim to extend dogs' lifespans—and it could form a basis for longevity research in humans.

A New Drug That Could Extend Dogs' Lives Inches Closer to Approval

For the first time, the FDA has indicated a willingness to endorse a longevity drug

Ferrisburgh, a kestrel at the Vermont Institute of Natural Science, has begun painting for mental enrichment after losing his ability to fly.

Meet Ferrisburgh, a Rescued Kestrel Who Started Painting After a Wing Injury

The Vermont raptor can no longer fly, but he is helping educators teach the public about his species through art

Researchers at the Ohio State University collected 9,287 Asian longhorned ticks in just 90 minutes using lint rollers.

An Invasive Tick That Can Clone Itself Is Spreading Across the U.S., Threatening Livestock

Researchers documented three cows in Ohio killed by Asian longhorned ticks, which can lay up to 2,000 eggs without needing to mate

Striated caracaras are falcons, but they don't act much like other birds of prey.

These Brainy Falcons Are Smarter Than You Might Think

Striated caracaras solved up to eight puzzle box problems in a new study, suggesting they are cognitively complex, like crows and parrots

Hippos swimming close to the Magdalena River in Doradal, Colombia.

Pablo Escobar's Multiplying 'Cocaine Hippos' Will Be Sterilized in Colombia

The country’s hippo population has grown to about 170, and officials warn it could reach 1,000 individuals by 2035 if left uncontrolled

An oil platform in the Gulf of Mexico. Officials spotted an oil slick three to four miles wide off the coast of Louisiana last Thursday.

Oil Spill Dumps as Much as 1.1 Million Gallons Into Gulf of Mexico, Raising Concerns About Wildlife

The U.S. Coast Guard is still searching for the specific source of the leak, which occurred last week

When erect, the penises of male serotine bats are seven times longer than female bats' vaginas and seven times wider than the females' vaginal openings.

This Bat Uses Its Extra Long Penis Like an Arm While Mating

Serotine bats are the first mammals known to mate without penetration, new research suggests

The monkey "chimera" with two sets of DNA at three days old. Some body parts appear tinted green, because the researchers marked the transplanted cells with fluorescent dye to trace what parts they developed into.

Scientists Created a Monkey With Two Different Sets of DNA

So-called "chimeric" monkeys could help scientists understand human diseases and aid in conservation efforts, but the research raises ethical questions

Castoreum, an edible, sweet-smelling substance, is found in the castor sacs of beavers.

Does Vanilla Flavoring Actually Come From Beaver Butts?

Despite internet claims, castoreum—a substance found in beaver glands—is rarely used today as a food flavoring

An Indian cobra found in the farmlands of Kanchipuram, India. The country has the highest rate of snakebite deaths in the world.

An Inside Look at the Effort to Curb Deadly Snakebites in India

With around 58,000 human deaths from snakebites each year in the country, a lot more must be done to save lives

After several attempts to dolphin-proof the bait, the team finally figured out a solution: a mesh bait pouch.

Watch Dolphins Outsmart Crab Traps in First-Ever Footage

Bottlenose dolphins in Australia have been snatching fish used to bait crabs—and adapting to fishers' attempts to thwart them

Bonobos from different social groups will groom each other and share food.

Like Humans, Some Bonobos Cooperate With Outsiders

We might not be the only primates to display helpful behavior toward members of a different social group, a new study suggests

Green sea turtles are struggling because of climate change, habitat destruction, erosion and other threats.

Metal Pollution May Be Making More Green Sea Turtles Female

In addition to warming temperatures, new research finds contaminants might contribute to the endangered reptiles' skewed sex ratios

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