Animals

At right is a left front foot followed by the hind foot of the mysterious Chirotherium, or "hand beast." The tracks were first found in the German town of Hildburghausen.

The Long, Strange Tale of the Hand Beast Footprints

A Triassic creature left curious tracks in the sandstone; it took decades to unravel the mystery

The National Zoo's female panda Mei Xiang (above in 2019) is exhibiting signs of a possible pregnancy. These same behaviors could also mean she is experiencing a pseudopregnancy.

14 Fun Facts About Giant Pandas

Mother Mei Xiang’s annual ambiguous maternal behaviors always deliver heightened anticipation at the National Zoo

Electrophorus voltai, a newly discovered species of electric eel, pictured swimming in the Xingu River, a southern tributary of the Amazon.

Smithsonian Researchers Triple the Number of Electric Eel Species, Including One With Record-Setting Shock Ability

It’s literally shocking news

Images and measurements of the fossil beetle that revealed it was a different kind of beetle than originally thought.

Fossil Mix-Up Could Rewrite the History of Beetles, the Largest Group of Animals on Earth

The reclassification of a 226-million-year-old beetle species could change our understanding of insect evolution

Leatherback sea turtle hatchlings rush toward the water

Baby Sea Turtles’ Fossilized Tracks Found in South Africa

Researchers recorded trackways left by relatives of modern loggerhead and leatherback turtles

Moonlight Helps White Barn Owls Stun Their Prey

Researchers were surprised to find that brilliant white plumage, which makes the owls more visible at night, did not impact the birds' ability to hunt

The remote-controlled 3-D-printed raptor known as RoBird, built by a Dutch firm, swoops and soars.

These High-Tech Scarecrows Will Keep Pesky Creatures Away

From robots to digitized recordings, farmers are upping their game when it comes to protecting their crops

Najin (left) and Fatu, the last two northern white rhinos, on the day before their eggs were harvested.

Eggs Successfully Collected from the Last Two Northern White Rhinos

Advances in fertility science will hopefully allow researchers to implant embryos of the species into surrogate southern white rhinos

Potential explanations for the disorder include infectious disease, rat poison, toxic algae and nutritional deficiencies.

Florida Authorities Investigate a Disorder Affecting Panthers' Ability to Walk

The crippling condition appears to hamper the big cats’ back leg coordination

A prairie dog eats a bait containing a plague vaccine.

Plague-Infected Prairie Dogs Cause Parks to Close Near Denver

Prairie dog burrows are being dusted with insecticide to stop the spread of the disease transmitted via fleas

Over the past 13 years, The Great Salt Lick Contest in Oregon has raised more than $150,000 for charity.

Who Says Horses and Cows Can't Be Artists?

The sculptures on display at the Great Salt Lick Contest in Oregon are the work of cattle, horses, sheep and deer

In a fit of pique, according to one of Aesop's fables, the god Hermes made the animal carry its house forever on its back.

How the Turtle Got Its Shell, With Apologies to Aesop

Smithsonian paleontologist Hans Sues unpacks the complicated evolution of how this creature grew a home upon its back

Algarve goats are indigenous to Portugal.

Could Goats Help Solve Portugal’s Wildfire Crisis?

About 11,000 goats are involved in a pilot program to help reduce overgrowth that fuels forest fires

A Beloved Baby Dugong Has Died After Ingesting Plastic

The orphaned marine mammal became an internet sensation after images of her nuzzling human caretakers went viral

Ping incubates the egg as Skipper keeps guard.

Two Male Penguins in Berlin Join Long Line of Same-Sex Pairs to Adopt an Egg

Skipper and Ping have happily nurtured everything from rocks to fish before zookeepers let them incubate an egg

Black squirrels are seen across North America and England

Interspecies Breeding Is Responsible for Some Squirrels’ Black Coloring

Color-changing mutation originated in fox squirrels but spread to eastern gray squirrels via mating

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A New Species of Leech Is Discovered Near Washington, D.C.

Smithsonian researcher describes a previously unknown species of olive-green bloodsucker that has three jaws with up to 59 teeth

A Human-Sized Penguin Once Waddled Through New Zealand

The leg bones of Crossvallia waiparensis suggest it was more than five feet tall and weighed up to 176 pounds

An adult Goliath frog caught by a local frog hunter.

How Did the World’s Largest Frog Get So Big? Possibly by Building Its Own Ponds

A new study documents the unique nest-building habits of the Goliath frog

Nom, nom, nom.

Researchers Think They Know Why Cats Eat Grass

Contrary to popular belief, grass only occasionally makes cats vomit

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