Weird Animals

African grey parrots are highly social, and may benefit from establishing reputations for generosity.

Parrots Will Share Currency to Help Their Pals Purchase Food

Animals often share food, but these birds understand that metal rings can be exchanged for treats, and they share the rings with no promise of reward

Athena, a two-toed sloth who recently made her debut at the National Zoo.

Will Love Bloom Between Two Sloths at the National Zoo?

Keepers are gradually introducing Athena, who made her debut at the zoo in December, to fellow two-toed sloth Vlad. Sparks have not flown—yet

Iridescent spots found on the dot-underwing moth suggest that even nocturnal insects might rely on visual cues

How These Nocturnal Moths Sparkle at Night

The nocturnal insect might flash its reflective spots at a potential mate

Researchers now have video evidence that Atlantic puffins can use sticks as tools to scratch their backs.

In a First, Scientists Film a Puffin Scratching Itself With a Stick

Behold the first evidence of tool use in seabirds

How many sheep?

Dogs’ Brains Naturally Process Numbers, Just Like Ours

Scientists stuck 11 dogs in fMRI scanners to see if their brains had a knack for quantity

A rancher tends to several small feral hogs in a pen in Texas. But in the wild, these hogs are considered invasive—and they're headed north.

Feral Pigs Are Invasive, Voracious and Resilient. They're Also Spreading

The destructive swine are expanding their range in the United States and appear to be encroaching from Canada

CT scan of a newborn panda cub.

Panda Bears Have Teeny Tiny Babies, and We Don't Know Why

Panda moms are 900 times bigger than their cubs and a new study disputes the theory it's related to hibernation

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

No need to flee for this nasty little critter.

Some Moths Taste So Bad That They Don't Bother Fleeing From Bats

A new study offers an explanation as to why some moth species fly erratically in the face of danger, while others do not

The bitty ant on top of the big one is a newly-described species of "rodeo ant," a queen that rides atop her perch by biting its waist.

Texan 'Rodeo Ants' Ride on the Backs of Bigger Ants

The strategy helps the parasitic riders steal food and childcare from their hosts

See a Bald Eagle and Octopus Tangled in Epic Battle

The big cephalopod was winning until the humans intervened

Humpback whales being tagged by researchers off the coast of Antarctica in 2018. The data gathered revealed that diet largely dictates a whales' maximum size.

Whales Are the Biggest Animals to Ever Exist—Why Aren't They Bigger?

New research highlights the role diet plays in dictating a cetacean’s size

Someone Is Gluing Cowboy Hats to Las Vegas' Pigeons

Experts say the birds look perfectly safe—and 'cute,' of course

Invasive Mice Are Gnawing the Scalps of Endangered Albatrosses

The mice already kill an estimated 2 million seabird chicks per year, but they now target breeding adults

Bocydium globulare, a treehopper with an unusual, helicopter-like helmet.

Treehoppers’ Bizarre, Wondrous Helmets Use Wing Genes to Grow

The elaborate structures, which are not actually wings, can resemble thorns, leaves, ants and more

A dog wears the Canine Auditory Protection System, or CAPS.

The U.S. Army Is Developing Better Hearing Protection for Its Dogs

Like human personnel, military dogs are susceptible to hearing loss from exposure to high levels of noise

This Electric Eel Is Shocking Around the Christmas Tree

The Tennessee Aquarium's internet-famous eel, Miguel Wattson, is powering Christmas lights in the exhibit

Was This 18,000-Year-Old Puppy Frozen in Siberian Permafrost the Ancestor of Wolves, Dogs or Both?

DNA tests on the well-preserved remains can't determine whether the little canine was wild or domestic

The tooth-filled mouth of a lamprey. These bloodsucking fish have managed to survive for hundreds of millions of years.

Why the World Needs Bloodsucking Creatures

The ecological benefits of animals like leeches, ticks and vampire bats are the focus of a new exhibition at the Royal Ontario Museum

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

Page 17 of 37