Mammals News

March 2, 2026

Top Headlines

Flea and Tick Treatments for Dogs and Cats May Be Harming Wildlife

Feb. 22, 2026 Flea and tick medications trusted by pet owners worldwide may have an unexpected environmental cost. Scientists found that active ingredients from isoxazoline treatments pass into pet feces, exposing dung-feeding insects to toxic chemicals. These ...

Yellowstone Wolves May Not Have Transformed the National Park After All

Feb. 12, 2026 A new scientific review challenges the headline-grabbing claim that Yellowstone’s returning wolves triggered one of the strongest trophic cascades on Earth. Researchers found that the reported 1,500% surge in willow growth was based on circular ...

Pumas Are Back in Patagonia and Penguins Are Paying the Price

Feb. 8, 2026 Pumas returning to Patagonia have begun hunting mainland penguins that evolved without land predators. Scientists estimate that more than 7,000 adult penguins were killed in just four years, many of them left uneaten. While the losses are dramatic, ...

This AI App Can Tell Which Dinosaur Made a Footprint

Feb. 1, 2026 Dinosaur footprints have always been mysterious, but a new AI app is cracking their secrets. DinoTracker analyzes photos of fossil tracks and predicts which dinosaur made them, with accuracy rivaling human experts. Along the way, it uncovered ...

A Hidden Bat Virus Is Infecting Humans

Feb. 1, 2026 Researchers in Bangladesh have identified a bat-borne virus, Pteropine orthoreovirus, in patients who were initially suspected of having Nipah virus but tested negative. All had recently consumed raw date-palm sap, a known pathway for bat-related ...

Tiny Mammals Are Sending Warning Signs Scientists Can Finally Read

Jan. 29, 2026 Small mammals are early warning systems for environmental damage, but many species look almost identical, making them hard to track. Scientists have developed a new footprint-based method that can tell apart nearly indistinguishable species with ...

This Sweet Fruit Is Packed with Hidden Health Compounds

Jan. 14, 2026 Scientists are taking a closer look at monk fruit and discovering it’s more than just a sugar substitute. New research shows its peel and pulp contain a rich mix of antioxidants and bioactive compounds that may support health. Different varieties ...

Zombie Worms Are Missing and Scientists Are Alarmed

Dec. 28, 2025 When researchers lowered whale bones into the deep ocean, they expected zombie worms to quickly move in. Instead, after 10 years, none appeared — an unsettling result tied to low-oxygen waters in the region. These worms play a key role in breaking ...

New Ghost Marsupial Related to the Kangaroo Found in Australia

Dec. 13, 2025 Researchers analyzing ancient fossils from caves across Western Australia have uncovered a completely new species of bettong along with two new woylie subspecies—remarkable finds made bittersweet by signs that some may already be ...

A Silent Ocean Pandemic Is Wiping Out Sea Urchins Worldwide

Dec. 12, 2025 A sudden, unexplained mass die-off is decimating sea urchins around the world, including catastrophic losses in the Canary Islands. Key reef-grazing species are reaching historic lows, and their ability to reproduce has nearly halted in some ...

New Fossils in Qatar Reveal a Tiny Sea Cow Hidden for 21 Million Years

Dec. 12, 2025 Fossils from Qatar have revealed a small, newly identified sea cow species that lived in the Arabian Gulf more than 20 million years ago. The site contains the densest known collection of fossil sea cow bones, showing that these animals once thrived ...

Scientists Keep a Human Alive with a Genetically Engineered Pig Liver

Dec. 7, 2025 Researchers successfully implanted a genetically modified pig liver into a human, proving that such an organ can function for an extended period. The graft supported essential liver processes before complications required its removal. Although the ...

Latest Headlines

updated 1:48pm EST

Textbooks Challenged by New Discovery About How Cells Divide

Feb. 28, 2026 Scientists have uncovered a surprising new way that giant embryonic cells divide—without relying on the classic “purse-string” ring long thought essential for splitting a cell in two. Studying ...

Scientists Compared Dinosaurs to Mammals for Decades but Missed This Key Difference

Feb. 27, 2026 Baby dinosaurs weren’t coddled like lion cubs or elephant calves—they were more like prehistoric latchkey kids. New research suggests that young ...

Ireland’s Old Irish Goat Has Survived 3,000 Years

Feb. 26, 2026 The Old Irish Goat isn’t just part of folklore — it’s genetically linked to goats that lived in Ireland 3,000 years ago. Scientists analyzed ancient remains and discovered that today’s rare ...

Scientists Finally Solve the Mystery of the Horse Whinny

Feb. 25, 2026 Horses have a vocal trick no one fully understood until now. Scientists have discovered that when a horse whinnies, it produces two completely different sounds at the same time. One is a deep tone ...

125 Million-Year-Old Dinosaur With Never Before Seen Hollow Spikes Discovered in China

Feb. 18, 2026 A 125-million-year-old dinosaur just rewrote what we thought we knew about prehistoric life. Scientists in China have uncovered an exceptionally ...

H5N1 Bird Flu Kills More Than 50 Skuas in First Antarctica Wildlife Die Off

Feb. 12, 2026 For the first time, deadly H5N1 bird flu has been confirmed as the cause of a wildlife die-off in Antarctica, killing more than 50 skuas during the 2023–2024 summers. Researchers on an Antarctic ...

Your Cat’s Purr Says More Than You Think

Feb. 11, 2026 Your cat’s purr may say more about who they are than their meow ever could. Scientists discovered that purrs are stable and uniquely identifiable, while meows change dramatically depending on ...

Gray Wolves Are Hunting Sea Otters and No One Knows How

Jan. 30, 2026 On a remote Alaskan island, gray wolves are rewriting the rulebook by hunting sea otters — a behavior few scientists ever expected to see. Researchers are now uncovering how these coastal wolves ...

Ancient Giant Kangaroos Could Hop After All

Jan. 23, 2026 Giant kangaroos that lived during the Ice Age may not have been as slow and grounded as once believed. A new study finds their leg bones and tendons were likely strong enough to support hopping, ...

Scientists Ranked Monogamy Across Mammals and Humans Stand out

Jan. 22, 2026 A new study suggests humans belong in an elite “league of monogamy,” ranking closer to beavers and meerkats than to chimpanzees. By comparing full and half siblings across species and human ...

Why Evolution Rewarded Ants That Sacrificed Protection

Dec. 22, 2025 Some ants thrive by choosing numbers over strength. Instead of heavily protecting each worker, they invest fewer resources in individual armor and produce far more ants. Larger colonies then ...

From Biting Flies to Feathered Dinosaurs, Scientists Reveal 70 New Species

Dec. 19, 2025 Researchers announced over 70 new species in a single year, including bizarre insects, ancient dinosaurs, rare mammals, and deep-river fish. Many were found not in the wild, but in museum ...

Fewer Offspring, Longer Life: The Hidden Rule of Mammal Aging

Jan. 16, 2026 A large international study reveals that mammals tend to live longer when reproduction is suppressed. On average, lifespan increases by about 10 percent, though the reasons differ for males and ...

Giant Sea Monsters Lived in Rivers at the End of the Dinosaur Age

Dec. 15, 2025 Giant mosasaurs, once thought to be strictly ocean-dwelling predators, may have spent their final chapter prowling freshwater rivers alongside dinosaurs and crocodiles. A massive tooth found in North ...

Whales and Orcas Were Carrying Viruses No One Knew Existed

Jan. 6, 2026 Researchers studying Caribbean whales and orcas have discovered two new viruses not previously observed in these animals. The viruses were found using advanced genetic sequencing of archived samples, ...

Researchers Find How Plants Survive Without Sunlight or Sex

Dec. 14, 2025 The study reveals how Balanophora plants function despite abandoning photosynthesis and, in some species, sexual reproduction. Their plastid genomes shrank dramatically in a shared ancestor, yet the ...

A 250-Million-Year-Old Fossil Reveals the Origins of Mammal Hearing

Jan. 19, 2026 Sensitive hearing may have evolved in mammal ancestors far earlier than scientists once believed. By modeling how sound moved through the skull of Thrinaxodon, a 250-million-year-old mammal ...

Human Brains Light Up for Chimp Voices in a Way No One Expected

Dec. 10, 2025 Humans don’t just recognize each other’s voices—our brains also light up for the calls of chimpanzees, hinting at ancient communication roots shared with our closest primate relatives. ...

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 ...

Ancient Wolves Could Only Have Reached This Island by Boat

Dec. 29, 2025 Scientists have uncovered ancient wolf remains on a small Baltic island where wolves could only have been brought by humans. These animals weren’t dogs, but true wolves that ate the same marine ...

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 ...

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 ...

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 ...

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 ...

A Mysterious Black Snake Hidden for Centuries Is Now Named for Steve Irwin

Dec. 5, 2025 Researchers have uncovered a new species of wolf snake on Great Nicobar Island and named it Lycodon irwini in tribute to Steve Irwin. The glossy black, non-venomous snake grows up to a meter and ...

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 ...

11,000-Year-Old Dog Skulls Reveal a Hidden Origin Story

Jan. 6, 2026 Dogs began diversifying thousands of years earlier than previously believed, with clear differences in size and shape appearing over 11,000 years ago. A massive global analysis of ancient skulls ...

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 ...

Secret Underwater Language of Hawaiian Monk Seals Has 25 New Calls

Nov. 17, 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 ...