Ecology

New research suggests that male bonobos exhibit aggressive behaviors such as chasing, charging, hitting and kicking more often than scientists thought.

Male Bonobos, Close Human Relatives Long Thought to Be Peaceful, Are Actually Quite Aggressive, Study Suggests

The new research found bonobos were three times more likely than chimpanzees to commit an act of physical aggression

The two emerging broods of cicadas will appear in states across the Southeast and Midwest. One of the cicadas in the photo above, is infected with a fungal parasite that has replaced its abdomen.

Up to a Trillion Cicadas Could Emerge in the U.S. Later This Spring

Two specific broods will appear together for the first time since 1803

Wildlife biologists are trying to figure out what's killing smalltooth sawfish and other species in Florida.

Florida Fish Are Mysteriously Dying After 'Spinning and Whirling,' and Scientists Can't Explain It

The abnormal behavior has raised special concerns about the endangered smalltooth sawfish, an odd-looking ray with chainsaw-like teeth, as 28 of them have died

Curator Frances McIntosh says the collection's survival is "nothing short of a miracle."

Shells From Captain Cook's Final Voyage Were Rescued From a Dumpster

Long presumed lost, the collection of rare shells is now on display in England

Beluga whales are one of five species of whale that undergo menopause. The new study finds that females in these five species live decades longer than females of similarly sized species.

Whales That Go Through Menopause Live Longer and May Help Care for Grandchildren

Alongside humans, five species of toothed whales are known to experience menopause. A new study suggests they evolved the trait to increase their lifespan

The researchers first observed cicadas urinating during a research trip to Peru.

Don't Look Up: Cicadas Produce High-Speed Jets of Urine

The noisy, winged insects produce pee the same way that much larger animals do, according to a new study

An illustration of the fossil skeleton of the new bird species Imparavis attenboroughi and a reconstruction of what the animal would have looked like in flight.

'Strange' New Prehistoric Bird Discovered in China and Named for David Attenborough

The proto-bird lived some 120 million years ago and did not have teeth—a trait more similar to birds of today than to birds of its time—sharpening scientists' understanding of avian evolution

Two green and black poison dart frogs

Why Do Poison Dart Frogs 'Tap Dance' With Their Toes? Research Sheds Light on Feeding Time Footwork

Scientists observed frogs tapping their toes up to 500 times per minute when prey was present, suggesting the behavior is related to predation

An orca hunting sea lion pups on an Argentinian beach in 2006. Before the recent study, killer whales had only been observed hunting white sharks in groups.

Single Orca Spotted Killing a Great White Shark for the First Time Ever

In less than two minutes, the marine mammal attacked a juvenile white shark and ripped out its liver in an encounter off the coast of South Africa last year

A Brazilian flea toad sits on a Brazilian real. The coin is 27 millimeters across.

The World's Smallest Vertebrate Is a Tiny Brazilian Frog, Study Finds

Adult male Brazilian flea toads are just over 7 millimeters long on average, and females measure about 8.15 millimeters

Weliton Menário Costa dances in "Kangaroo Time," his winning music video about kangaroo behavior research.

Watch This Year's 'Dance Your PhD' Contest Winner, a Musical Celebration of Kangaroo Behavior

“Kangaroo Time” took home the competition’s overall prize, while interpretive dances on early life adversity, circadian rhythms and streambank erosion were also honored

Joro spiders aren't particularly bothered by the vibrations of a busy city environment.

Joro Spiders, Spreading in the Southeast, Can Survive Surprisingly Well in Cities

Unlike most spiders, the hustle and bustle of urban areas doesn’t seem to disturb the non-native Joros, a new study finds

Common clownfish have three white stripes, which they "count" to identify other members of their species as potential threats, a new study suggests.

Clownfish Can 'Count' Stripes on Other Fish to Identify Intruders, Study Suggests

Notoriously aggressive, common clownfish may be using basic mathematics to determine if another fish is a friend or foe

A sea otter basks in the water with some kelp. Sea otter populations plummeted as they were killed for their pelts in the 18th and 19th centuries.

Hungry Sea Otters Help Prevent Erosion on California's Coast

The marine mammals, which were once hunted nearly to extinction, feed on crabs that would make the land more susceptible to erosion by digging holes in the soil and eating roots

Western monarchs prefer to cluster in areas with little to no wind, high humidity, dappled sunlight and easy access to nectar-producing plants.

Monarch Butterflies Wintering in California Are Down 30 Percent From Last Year

The insects' population is slowly rebounding from a historic low in 2020, but they remain in crisis, having declined by more than 95 percent since the 1980s

When researchers reviewed footage of flying insects, they saw that the bugs tilted their backs toward the source of artificial light.

Why Are Flying Insects 'Attracted' to Lights? Scientists May Finally Have an Answer

Moths and other insects might turn their backs toward the brightest source of light around—which has historically been the sky—to determine which way is up and which is down, according to a new paper

One possible explanation for the low-frequency noises? Mating black drum fish.

Mysterious Bass Sounds Irking Florida Residents Might Just Be Fish Mating Loudly

The Tampa community raised money to fund an investigation, and now, a local scientist will install underwater microphones to look for the source of the racket

This spring, Brood XIII and Brood XIX of periodical cicadas will emerge together for the first time since 1803.

Cicadas Are Coming: Rare 'Dual Emergence' Could Bring One Trillion of the Bugs This Year

The 13-year and 17-year broods that will emerge from underground this spring will be appearing together for the first time in 221 years

Keālia Pond National Wildlife Refuge

Could Climate Change Cause More Lakes to Turn Bright Pink?

While rosy-hued waters exist naturally around the world, a pond in Hawaii recently turned pink, and Australian scientists say the same could happen there

Cats are not picky and will eat nearly anything they can catch.

Cats Prey on More Than 2,000 Different Species

A new study sheds light on just how many creatures domestic cats will eat—including hundreds that are threatened or endangered

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