Ecology

Maratus azureus, a newly discovered species of peacock spider from Western Australia

See Seven New Dazzling, Dancing Peacock Spiders

Hailing from all over Australia, the spiders were identified by a scientist who used to fear them

Urban Coyotes Eat a Lot of Garbage—and Cats

A new study shows how city-dwelling coyotes thrive by feasting on human-linked food sources

Eucalyptus trees sprout "emergency foliage" after a wildfire while their leaves regrow.

How Australia’s Wilderness Is Recovering From Wildfires

Greenery is sprouting from scorched tree trunks as the forests regrow their canopies

Meet the Ecologist Who Wants You to Unleash the Wild on Your Backyard

Fed up with invasive species and sterile landscapes, Douglas Tallamy urges Americans to go native and go natural

Pallid bats use relatively low-pitched sounds for echolocation, making them better at hunting in open spaces like grasslands.

California Bats Thrive in Forests Recovering From Wildfires

Wildfires leave behind a patchwork of forest densities that can give bats more room to fly and hunt

So-called 'watermelon snow' sounds better than it looks and tastes; do not eat pink snow.

This 'Blood-Red' Snow Is Taking Over Parts of Antarctica

After a month of record-breaking temperatures, a kind of snow algae that turns ruby-hued in warm temperatures thrives

Mo‘omomi Preserve on the north coast of the Hawaiian island of Moloka‘i protects a dune ecosystem that boasts rare coastal species.

Hawai‘i's Last Dunes Are Home to Species Found Nowhere Else on the Planet

A nature preserve on Moloka‘i reveals rare life forms—some ancient and others just newly established

A bumblebee, barred from touching a sphere that's visible in lit conditions, learns about the object through sight alone.

Like Humans, Bumblebees May Create Mental Images in Their Brains

After touching an object in the dark, the insects can recognize it later through sight alone—a complex cognitive feat

Olms, also called "baby dragons" and "human fish," are blind, foot-long salamanders native to European caves.

A Cave-Dwelling Salamander Didn't Move for Seven Years

The blind, eel-like amphibians called olms live deep in European caves and can go years without food

Most cat allergies are caused by a protein called Fel d 1 that's found in cat saliva and skin glands, and often gets wicked into fur.

What Does a Study of Slow Lorises Actually Say About Cat Allergies?

An unusual theory ultimately warrants skepticism under further research is conducted

A cat-eyed snake eats a toad in Panama. Many snakes depend on amphibians and their eggs for nutrition.

Tropical Snakes Suffer as a Fungus Kills the Frogs They Prey On

Surveys of reptiles in central Panama show the ripple effects of an ecological crisis

At Pablo Escobar's former hacienda, tourists are warned about the dangerous presence of an expanding hippo population.

Pablo Escobar's Pooping Hippos Are Polluting Colombia's Lakes

A new study suggests the hulking creatures are changing local water bodies with their bathroom habits

Three Cassiopea, or upside-down jellyfish, seen from above in a lab at the Smithsonian’s National Museum of Natural History. The cloudy matter floating above and to the left of the jellyfish is a mucus that they exude.

These Jellyfish Don't Need Tentacles to Deliver a Toxic Sting

Smithsonian scientists discovered that tiny 'mucus grenades' are responsible for a mysterious phenomenon known as 'stinging water'

Mexico City Is Proposing to Build One of the World's Largest Urban Parks

More than twice the size of Manhattan, the park could restore the water systems of the region and serve as a model for cities around the world

Numbers of these charismatic, blubbery birds have decreased by about half across Antarctica's northwest.

Preliminary Census Documents Antarctica’s Chinstrap Penguins in Sharp Decline

Climate change is the likeliest culprit, researchers say

Fuzzy and fast flying, bumblebees tend to run warm, and are best adapted to cooler climes.

Climate Change Has Driven Serious Declines in World’s Bumblebees

The number of habitats in North America that bumblebees occupy has fallen by almost 50 percent

The red-breasted nuthatch eavesdrops on chickadee conversations to get advanced notice of predators like pygmy owls.

Nuthatches Heed Chickadees' Warning Calls—but They're Wary of False Alarms

Nuthatches prefer to check the facts before they 'retweet' chickadees' alerts

The mesmerizing rainbow sheen of jewel beetles Sternocera aequisignata might help camouflage them from predators.

Glitzy Beetles Use Their Sparkle for Camouflage

A new study suggests eye-catching iridescence isn't just for standing out in a crowd—it can conceal, too

A researcher holds a platypus for a Melbourne Water study conducted in 2017.

Australia's Droughts and Fires Present New Dangers to the Platypus

Threats to the semi-aquatic, egg-laying mammals demand action, experts say

"Tardigrades are definitely not the almost indestructible organism,” says Ricardo Neves.

High Temperatures Might Be Water Bears’ Achilles Heel

Tardigrades are known for their resilience, but a new study shows they can’t bear hours in the heat

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