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Zoology

The unfamiliar monk parakeets got to know each other slowly before moving on to behaviors like preening, pictured here.

Monk Parakeets Are Highly Social Birds, but They Slowly ‘Test the Waters’ When Making New Friends

The bright green parrots start with low-cost social behaviors—like sitting near each other without touching—when first interacting with unfamiliar birds within their species, possibly to avoid aggressive encounters, new research suggests

Pigeons can sense magnetic fields via their inner ears, new research suggests.

Pigeons Rely on the Earth’s Magnetic Field to Navigate. Now, Researchers May Have Uncovered How They Do It

The vestibular system, a set of structures in the inner ears that helps with balance, may grant the birds their special ability

The new research may help scientists and conservationists better monitor African lion populations. 

Listen to a Lion’s Second Type of Roar, Which Was Just Discovered by Scientists

Researchers uncovered the previously unknown vocalization while creating an algorithm that can identify and monitor lions based on audio recordings

Asian elephant Nhi Linh, who stands in the foreground, is pregnant. Behind her is Spike, who sired the calf.

This ‘Feisty’ Asian Elephant at the National Zoo Is Pregnant. She May Birth the First Calf Born There in Nearly 25 Years

With fewer than 50,000 Asian elephants estimated to be remaining in the wild, the Smithsonian’s announcement gives hope to those working to preserve the endangered species

European starlings were the best at imitating R2-D2's multphonic sounds because they can control both sides of both sides of the syrinx independently, the researchers say.

Birds Are Beeping and Booping like R2-D2. Their Mimicked Sounds Are Helping Unlock the Secrets of Avian Communication

European starlings were better than parrots at imitating R2-D2’s high-pitched chattering, possibly because of their special control over a vocal organ

Two new studies explored the impact beavers have on bats and pollinator insects.

Beavers are Dam Good for Biodiversity, Bringing Bats, Butterflies and Other Critters to Their Neighborhoods

Two new studies suggest that the semi-aquatic rodents provide food and habitat for bats and pollinator insects within their engineered ecosystems

Members of the Haíɫzaqv (Heiltsuk) Nation caught the crafty female wolf on camera.

Watch a Wolf Cleverly Raid a Crab Trap for a Snack. It Might Be the First Evidence of a Wild Canid Using a Tool

Footage from British Columbia shows just how intelligent wild wolves can be, but scientists are divided as to whether the behavior constitutes tool use

Amabala, a 5-year-old female who was born in captivity, is raising four healthy cubs.

Watch Four Furry and Adorable Cheetah Cubs on the Smithsonian National Zoo’s Online Feed

The “strong, active” and “vocal” babies were born during the government shutdown, and they and their 5-year-old, first-time mother, Amabala, are thriving

The giant structure—made up of thousands of individual funnel-shaped webs—spans over 1,000 square feet.

This Massive Web—Home to More Than 100,000 Spiders—Found in a Cave in Europe Could Be the World’s Largest

The cavern along the border of Greece and Albania is home to a terrifyingly high number of two species of arachnids that live together peacefully in complete darkness

Bat? Meet rat. Scientists recorded brown rats snatching bats from the air and eating them.

Rats Are Snatching Bats Out of the Air and Eating Them—and Researchers Got It on Video

Rodents in northern Germany were spotted using two different hunting strategies at major urban bat hibernation sites

Green sea turtles are rebounding, thanks to global conservation efforts.

After Decades of Decline, Some Good News Is Here for Green Sea Turtles

The International Union for Conservation of Nature no longer considers the marine creatures endangered and has instead reclassified them as a species of least concern

A male and female olive baboon

Research Sheds Light on Why Women Live Longer Than Men—and Why This Pattern Will Likely Continue

Scientists studied hundreds of mammal and bird species to shed light on sex-based lifespan differences

These six keel-billed toucans were discovered bound and sedated in June by U.S. Customs and Border Protection officials. The Wildlife Confiscations Network helped find experts at qualified facilities to care for the birds.

Once Smuggled Animals Are Rescued, Law Enforcement Officers Call Her

As coordinator of the Wildlife Confiscations Network, Mandy Fischer helps match trafficked animals—from alligators to jaguars to baby monkeys—with sanctuaries and care facilities

Bull elk are fighting and bugling during their annual mating season in Rocky Mountain National Park and neighboring Estes Park in Colorado.

Amorous Elk Are Looking for Love Across North America in an Annual Spectacle Called the Rut

Fall is mating season for the large, antler-adorned ungulates—and you can catch a glimpse of them at several national parks in the United States and Canada

The researchers studied the genomes of thousands of ant specimens stored in museum collections.

Fiji’s Ants Are Struggling. Scientists Say They’re Part of the Broader ‘Insect Apocalypse’

New research finds that 79 percent of Fiji’s endemic ant species—those that are native to and only found on the archipelago—are in decline

Joro spiders are essentially harmless to humans and pets, but scientists are concerned about their impact on native species.

Scientists Want Your Help to Track the Spread of Invasive Joro Spiders at Great Smoky Mountains National Park

The invasive arachnids were first spotted in the park last year, and now, researchers hope to keep tabs on when and where they occur

Scott Adams, director of the Exotic Zoo, holds a casque-headed iguana. Eight hatchlings were produced at the zoo this summer without a father.

‘Once in a Lifetime’: Rare ‘Virgin Birth’ of Eight Iguana Babies Surprises Zookeepers in England

A female casque-headed iguana produced live hatchlings even though she has never shared an enclosure with a male

An artist's interpretation of what early penguins in New Zealand might have looked like

Early Penguins Had Long, Dagger-Like Beaks for Skewering Fish, New Zealand Fossils Reveal

Paleontologists describe four new species of extinct ancestral penguins that help shed light on how the iconic birds evolved after dinosaurs went extinct

Yagi (left) and Quinn (right) are searching for evidence of critically endangered Sumatran rhinos in Indonesia's Way Kambas National Park.

Two Sniffer Dogs Might Have Just Found a Lost Population of Critically Endangered Rhinos

Yagi and Quinn identified scat that was likely left by a Sumatran rhinoceros in Indonesia’s Way Kambas National Park, where scientists thought the animals had disappeared

A handler holds her Chihuahua dogs in the grooming area at the 149th Annual Westminster Kennel Club Dog Show at Jacob K. Javits Convention Center on February 10, 2025, in New York City. 

How One Chihuahua Proved to Be a Link to the Ancient Dogs That Moved to Latin America With the Spread of Agriculture

New research shows that ancient dogs did not join Indigenous people in Central and South America until farming became popular—especially of maize

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