Mammals News

December 3, 2025

Top Headlines

Scientists Studied 47,000 Dogs on CBD and Found a Surprising Behavior Shift

Nov. 28, 2025 Data from over 47,000 dogs reveal that CBD is most often used in older pets with chronic health issues. Long-term CBD use was linked to reduced aggression, though other anxious behaviors didn’t improve. The trend was strongest among dogs whose ...

The Five Great Forests That Keep North America’s Birds Alive

Nov. 22, 2025 Migratory birds that fill North American forests with spring songs depend on Central America’s Five Great Forests far more than most people realize. New research shows these tropical strongholds shelter enormous shares of species like Wood ...

New Research Uncovers Hidden Divide in West Coast Killer Whales

Nov. 20, 2025 Scientists confirmed that West Coast transient killer whales actually form two separate groups split between inner and outer coastal habitats. Inner-coast whales hunt smaller prey in shallow, maze-like waterways, while outer-coast orcas pursue large ...

Animals Are Developing the Same Chronic Diseases as Humans

Nov. 17, 2025 Across the planet, animals are increasingly suffering from chronic illnesses once seen only in humans. Cats, dogs, cows, and even marine life are facing rising rates of cancer, diabetes, arthritis, and obesity — diseases tied to the same factors ...

DNA in Seawater Reveals Lost Hammerhead Sharks

Nov. 8, 2025 A revolutionary eDNA test detects endangered hammerhead sharks using genetic traces left in seawater, eliminating the need to capture or even see them. This powerful tool could finally uncover where these elusive species still survive, and help ...

It Sounds Creepy, but These Scientific Breakthroughs Could Save Lives

Oct. 30, 2025 From mini-brains to spider-inspired gloves and wolf apple coatings, scientists are turning eerie-sounding experiments into real innovations that could revolutionize health and sustainability. Lab-grown brain organoids may replace animal testing, ...

Why Women Live Longer Than Men, Explained by Evolution

Oct. 28, 2025 An international team of researchers led by scientists from the Max Planck Institute for Evolutionary Anthropology in Leipzig, working with 15 collaborators around the world, has conducted the most comprehensive study yet of lifespan differences ...

Scientists Just Found a Surprising Twist in Earth’s Extinction Story

Oct. 27, 2025 Extinction rates are not spiraling upward as many believe, according to a large-scale study analyzing 500 years of data. Researchers found that species losses peaked about a century ago and have decreased since, with different drivers shaping past ...

Hippos Once Roamed Frozen Germany with Mammoths

Oct. 26, 2025 New research shows that hippos lived in central Europe tens of thousands of years longer than previously thought. Ancient DNA and radiocarbon dating confirm they survived in Germany’s Upper Rhine Graben during a milder Ice Age phase. Closely ...

“Lost” Giant Rat Found Alive in Papua Mountains After 30 Years

Oct. 23, 2025 In the mist-shrouded mountains of New Guinea, a Czech researcher has achieved a world-first — capturing photos, video, and data of the elusive Subalpine Woolly Rat, Mallomys istapantap. Once known only from museum specimens, this giant, shaggy ...

Atlantic Dolphins Are Dying Much Younger. Scientists Sound the Alarm

Oct. 22, 2025 Common dolphins in the North Atlantic are living significantly shorter lives, with female longevity dropping seven years since the 1990s. Researchers found this decline by analyzing stranded dolphins, revealing a 2.4% drop in population growth ...

How This Odd-looking Animal Outsmarted Aging

Oct. 20, 2025 Naked mole-rats seem to have found nature’s cheat code for longevity. Scientists discovered that small tweaks in one of their proteins make it better at fixing DNA damage, helping the animals resist aging. Even fruit flies with the same changes ...

Latest Headlines

updated 11:59am EST

Wild Chimps Consume More Alcohol Than Anyone Expected

Dec. 1, 2025 Chimpanzees naturally ingest surprising amounts of alcohol from ripe, fermenting fruit. Careful measurements show that their typical fruit diet can equal one to two human drinks each day. This ...

Dinosaur Mummy Found With Hooves and a Hidden Crest

Nov. 30, 2025 Scientists have reconstructed the most complete and lifelike profile of Edmontosaurus annectens thanks to an extraordinary preservation process called clay templating, in which a thin clay film ...

Scientists Discover Hidden Wolf DNA in Most Dogs

Nov. 29, 2025 Researchers studying thousands of canine genomes discovered that wolf DNA is still present in most dog breeds. This ancient genetic influence shows up in traits like body size, behavior, and ...

Tiny Bee With Devil Horns Discovered in Western Australia

Nov. 25, 2025 A horned native bee dubbed Megachile lucifer has been discovered in Western Australia’s Goldfields. Identified while surveying a rare wildflower, the species stood out with its unusual ...

How Parakeets Make New Friends in a Surprisingly Human Way

Nov. 23, 2025 Monk parakeets ease into new friendships, slowly approaching strangers to avoid aggressive encounters. Researchers watched how birds shared space, groomed each other, and escalated to deeper social ...

AI Detects a Secret Lion Roar No One Knew Existed

Nov. 22, 2025 Scientists have uncovered a surprising second type of lion roar, using AI to decode vocal signatures with remarkable precision. This breakthrough sheds new light on how lions communicate and offers a ...

Scientists Reveal Kissing Began Millions of Years Before Humans

Nov. 21, 2025 Scientists have traced kissing back to early primates, suggesting it began long before humans evolved. Their analysis points to great apes and even Neanderthals sharing forms of kissing millions of ...

Secret Underwater Language of Hawaiian Monk Seals Has 25 New Calls

Nov. 18, 2025 Scientists have revealed that Hawaiian monk seals produce far more underwater vocalizations than previously believed. Their newly discovered 25-call repertoire includes complex combinations and a ...

New Research Uncovers the Massive Squid Diet of Hawaiian Pilot Whales

Nov. 17, 2025 Hawaiian short-finned pilot whales are surprisingly voracious hunters, diving hundreds of meters beneath the Pacific to snatch squid in the dark. By tagging and tracking eight whales, researchers ...

Chimps Shock Scientists by Changing Their Minds With New Evidence

Nov. 16, 2025 Chimps may revise their beliefs in surprisingly human-like ways. Experiments showed they switched choices when presented with stronger clues, demonstrating flexible reasoning. Computational modeling ...

Scientists Recover 40,000-Year-Old Mammoth RNA Still Packed With Clues

Nov. 15, 2025 Researchers have sequenced the oldest RNA ever recovered, taken from a woolly mammoth frozen for nearly 40,000 years. The RNA reveals which genes were active in its tissues, offering a rare glimpse ...

55-Million-Year-Old Fossils Reveal Bizarre Crocs That Dropped from Trees

Nov. 15, 2025 Scientists uncovered Australia’s oldest known crocodile eggshells, revealing the secret lives of ancient mekosuchine crocodiles that once dominated inland ecosystems. These crocs filled surprising ...

Killer Whales Perfect a Ruthless Trick to Hunt Great White Sharks

Nov. 3, 2025 In the Gulf of California, a pod of orcas known as Moctezuma’s pod has developed a chillingly precise technique for hunting young great white sharks — flipping them upside down to paralyze and ...

This Tiny Bat Hunts Like a Lion, but Better

Nov. 1, 2025 Fringe-lipped bats from Panama hunt like miniature lions, using a “hang-and-wait” strategy to capture large, energy-rich prey. High-tech biologging revealed they spend most of their time ...

Humans Evolved Faster Than Any Other Ape

Oct. 29, 2025 UCL scientists found that human skulls evolved much faster than those of other apes, reflecting the powerful forces driving our brain growth and facial flattening. By comparing 3D models of ape ...

Scientists in Japan Create a New Wine Grape With a Wild Twist

Nov. 3, 2025 Okayama scientists have crafted a new wine grape, Muscat Shiragai, merging the wild Shiraga and Muscat of Alexandria. The variety is part of a larger collaboration between academia, industry, and ...

After 25 Years, Scientists Solve the Bird-Eating Bat Mystery

Nov. 2, 2025 After decades of mystery, scientists have finally proven that Europe’s largest bat, the greater noctule, hunts and eats small songbirds mid-air—more than a kilometer above ground. Using tiny ...

Ancient Humans in Italy Butchered Elephants and Made Tools from Their Bones

Oct. 12, 2025 Researchers in Italy discovered 400,000-year-old evidence that ancient humans butchered elephants for food and tools. At the Casal Lumbroso site near Rome, they found hundreds of bones and stone ...

From Gentle Giants to Ghostly Hunters, Sharks Face an Unseen Peril

Oct. 4, 2025 New research reveals that deep-sea mining could dramatically threaten 30 species of sharks, rays, and ghost sharks whose habitats overlap with proposed mining zones. Many of these species, already at ...

Dolphins May Be Getting Alzheimer’s from Toxic Ocean Blooms

Oct. 11, 2025 Dolphins washing up on Florida’s shores may be victims of the same kind of brain degeneration seen in humans with Alzheimer’s disease. Researchers discovered that cyanobacterial toxins—worsened ...

The Red Sea That Vanished and the Catastrophic Flood That Brought It Back

Oct. 8, 2025 Researchers at KAUST have confirmed that the Red Sea once vanished entirely, turning into a barren salt desert before being suddenly flooded by waters from the Indian Ocean. The flood carved deep ...

Breakthrough Wetsuits Slash Shark Attack Injuries and Save Lives

Sep. 25, 2025 Shark experts tested four innovative wetsuit materials to measure how well they reduce shark-bite injuries. The results show they can lessen major trauma, blood loss, and even save lives when ...

Stressed Koalas Are Facing a Deadly Epidemic

Sep. 23, 2025 Researchers have shown that stress and retrovirus levels are tightly linked to disease in koalas. High KoRV loads make koalas more vulnerable to chlamydia, worsening epidemics in stressed ...

Dogs Can Tell How Toys Work Without Any Training

Sep. 23, 2025 Gifted dogs can categorize toys by function, not just appearance. In playful at-home tests, they linked labels like “fetch” and “pull” to toys—even ones they’d never seen before. The ...

Strange New Hybrid Bird Spotted in Texas Backyard

Sep. 20, 2025 In Texas, biologists have documented an extraordinary bird — the natural hybrid offspring of a green jay and a blue jay. Once separated by millions of years of evolution and distinct ranges, the ...

A Clue to Ancient Life? What Scientists Found Inside Mars’ Frozen Vortex

Oct. 19, 2025 Mars’ north polar vortex locks its atmosphere in extreme cold and darkness, freezing out water vapor and triggering a dramatic rise in ozone. Scientists found that the lack of sunlight and moisture ...

Could These Strange Rocks Be the First True Evidence of Life on Mars?

Sep. 21, 2025 In Jezero Crater’s Bright Angel formation, Perseverance has found rocks rich in organic molecules and minerals linked to microbial metabolism. Their arrangement hints at redox reactions that ...

Strange ‘leopard Spots’ in a Mars Rock Could Be the Strongest Hint of Life Yet

Sep. 16, 2025 NASA’s Perseverance rover has delivered its most compelling clue yet in the search for life on Mars. A rock sample called “Sapphire Canyon,” taken from the Bright Angel formation in Jezero ...

Tiny Skaters Beneath the Arctic Ice Rewrite the Limits of Life

Sep. 12, 2025 Hidden within Arctic ice, diatoms are proving to be anything but dormant. New Stanford research shows these glass-walled algae glide through frozen channels at record-breaking subzero temperatures, ...

A Pink Bumpy Snailfish Was Just Discovered Miles Beneath the Ocean

Sep. 26, 2025 Scientists have identified three new species of deep-sea snailfish, including the strikingly pink “bumpy snailfish,” thanks to MBARI’s advanced technology and global collaborations. Found ...