Mammals News

June 13, 2025

Top Headlines

Why Past Mass Extinctions Didn't Break ecosystems—But This One Might

June 9, 2025 — For millions of years, large herbivores like mastodons and giant deer shaped the Earth's ecosystems, which astonishingly stayed stable despite extinctions and upheavals. A new study reveals that only twice in 60 million years did environmental ...

Genetic Basis of Purring in Cats

May 29, 2025 — Whether you are lucky enough to have a cat companion or must merely live this experience vicariously through cat videos, Felis catus is a familiar and comforting presence in our daily lives. Unlike most other feline species, cats exhibit sociality, ...

Coastal Alaska Wolves Exposed to High Mercury Concentrations from Eating Sea Otters

May 28, 2025 — Scientists show that wolves that are eating sea otters in Alaska have much higher concentrations of mercury than those eating other prey such as deer and ...

Oldest Whale Bone Tools Discovered

May 27, 2025 — Humans were making tools from whale bones as far back as 20,000 years ago, according to a new study. This discovery broadens our understanding of early human use of whale remains and offers valuable insight into the marine ecology of the ...

Megalodon: The Broad Diet of the Megatooth Shark

May 26, 2025 — Contrary to widespread assumptions, the largest shark that ever lived -- Otodus megalodon -- fed on marine creatures at various levels of the food pyramid and not just the top. Scientists analyzed the zinc content of a large sample of fossilized ...

Different Phases of Evolution During Ice Age

May 23, 2025 — Cold-adapted animals started to evolve 2.6 million years ago when the permanent ice at the poles became more prevalent. There followed a time when the continental ice sheets expanded and contracted and around 700,000 years ago the cold periods ...

Climate Change Poses Severe Threat to Bowhead Whale Habitat

May 22, 2025 — New research examining 11,700 years of bowhead whale persistence throughout the Arctic projects that sea ice loss due to climate change will cause their habitat to severely contract by up to 75 per ...

Surprise Baby Whale Sightings Reveal There's Still Much to Learn About Humpbacks

May 20, 2025 — Humpback whales are not always born in tropical waters, new research has shown -- challenging long-held assumptions about their breeding and migration behaviors, while raising new questions for ...

Wild Orangutans Show Communication Complexity Thought to Be Uniquely Human

May 16, 2025 — Researchers have found that wild orangutans vocalize with a layered complexity previously thought to be unique to human communication, suggesting a much older evolutionary ...

Scientists Track Down Mutation That Makes Orange Cats Orange

May 15, 2025 — Many an orange cat-affiliated human will vouch for their cat's, let's say, specialness. But now scientists have confirmed that there is, in fact, something unique about ginger-hued domestic felines. In a new study, researchers have discovered the ...

Marsupial Research Reveals How Mammalian Embryos Form

May 14, 2025 — Researchers have revealed insight into why embryos erase a key epigenetic mark during early development, suggesting this may have evolved to help form a ...

Genome of Near-Extinct Northern White Rhino Offers Hope for Reviving the Species

May 14, 2025 — The northern white rhinoceros is one of the rarest animals on Earth, with just two females left and no natural way for the species to reproduce. Now, scientists have mapped the entire genome of a ...

Latest Headlines

updated 1:00pm EDT

Whales Blow Bubble Rings--And They Might Be Talking to Us

June 7, 2025 — Humpback whales have been observed blowing bubble rings during friendly interactions with humans a behavior never before documented. This surprising display may be more than play; it could represent ...

Not All Orangutan Mothers Raise Their Infants the Same Way

May 13, 2025 — Sumatran orangutan mothers differ from one another in how they behave with and take care of their infants and how flexibly they adjust their mothering behaviors as their infants grow. Whilst mothers ...

Red Alert for Our Closest Relatives

May 8, 2025 — New report shows drastic decline in endangered primates and calls for conservation ...

Mammal's Lifespans Linked to Brain Size and Immune System Function, Says New Study

May 8, 2025 — Why do cats generally live longer than dogs? New research suggests that longer lifespans of mammals like cats could be linked to their bigger brains ...

More Social Parrots Have a Better Vocabulary

May 6, 2025 — For social animals, communication is a key that unlocks the benefits of group living. It's well known that animals with more complex social lives tend to have more intricate ways of communicating, ...

Gorilla Study Reveals Complex Pros and Cons of Friendship

May 5, 2025 — Friendship comes with complex pros and cons -- possibly explaining why some individuals are less sociable, according to a new study of ...

'Extremely Rare Event': Bone Analysis Suggests Ancient Echidnas Lived in Water

Apr. 28, 2025 — New research questions the evolutionary history of some of our most peculiar ...

Invasive Rats and Rainforest Mammals Are Sharing Gut Microbes as Urban Areas Grow

May 1, 2025 — As urban development continues to creep further into Earth's oldest and most diverse rainforests, a study reveals native and invasive small mammals ...

Once Bitten, Animals Develop Resistance That Shrinks Tick Population

Apr. 30, 2025 — Just in time for tick season, new research is shining a light on how animals develop resistance to tick bites, which points toward the possibility of developing more effective vaccines against the ...

Antivenom Neutralizes the Neurotoxins of 19 of the World's Deadliest Snakes

May 2, 2025 — By using antibodies from a human donor with a self-induced hyper-immunity to snake venom, scientists have developed the most broadly effective antivenom to date, which is protective against the likes ...

Zoo Life Boosts Object Exploration in Orangutans

Apr. 30, 2025 — A new study comparing wild and zoo-housed Sumatran orangutans reveals that life in a zoo significantly alters how orangutans interact with their environment. Researchers analyzed over 12,000 ...

Elephant Instead of Wild Boar? What Could Have Been in Europe

Apr. 28, 2025 — Even under today's climatic conditions, the long-extinct straight-tusked elephant could still live in Europe. This is the conclusion of a recent study. For this finding, the research group ...

Evolution of Pugs and Persians Converges on Cuteness

Apr. 28, 2025 — Through intensive breeding, humans have pushed breeds such as pug dogs and Persian cats to evolve with very similar skulls and 'smushed' faces, so they're more similar to each other ...

How Changes in Lemur Brains Made Some Mean Girls Nice

Apr. 21, 2025 — If there was a contest for biggest female bullies of the animal world, lemurs would be near the top of the list. It's the ladies who get their way and keep males in line. In one branch of the ...

Sugar-Mimicking Molecule Central to Virulence of a Common Crop Disease

Apr. 17, 2025 — In plants, the space between cells is a key battleground during infection. To avoid recognition in this space, a strain of the bacterial tomato disease Pseudomonas syringae manipulates plants by ...

Studying How Seals Adapt to Extreme Environments Could Lead to Benefits in Human Reproductive Health

Apr. 15, 2025 — Wild animals that have acquired adaptions to maximize their reproductive output in some of the world's most extreme conditions may provide answers to some of the most pressing problems in the ...

Southern Shrews Shrink in Winter

Apr. 15, 2025 — Newly published research shows that the masked shrew, a small, mole-like mammal found in the Appalachian Mountains, shrinks its body and braincase to conserve energy during winter ...

Prehistoric Rhinos Lived in Super-Herds

Apr. 9, 2025 — Rhinos that flourished across much of North America 12 million years ago gathered in huge herds, according to a new ...

Suspected Fibrocartilaginous Embolus in Asian Small-Clawed Otter (Aonyx Cinereus)

Apr. 4, 2025 — A research team investigated the case of a male Asian small-clawed otter that fell down the stairs while sleeping, after which it developed left-sided ...

How a Small Number of Mutations Can Fuel Outbreaks of Western Equine Encephalitis Virus

Apr. 4, 2025 — New research shows how small shifts in the molecular makeup of a virus can profoundly alter its fate. These shifts could turn a deadly pathogen into a harmless bug or supercharge a relatively benign ...

Monkeys Are World's Best Yodellers -- New Research

Apr. 2, 2025 — A new study has found that the world's finest yodellers aren't from Austria or Switzerland, but the rainforests of Latin America. The research provides significant new insights into the ...

Mammals Were Adapting from Life in the Trees to Living on the Ground Before Dinosaur-Killing Asteroid

Apr. 1, 2025 — More mammals were living on the ground several million years before the mass extinction event that wiped out the dinosaurs, new research has ...

Why Scientists Are Worried About Weasels

Mar. 28, 2025 — Weasels are often difficult to capture on camera, making it hard for conservationists to track their population numbers. This study aimed to determine the best material to use as bait for camera ...

Aotearoa Once Home to Elephant Seals

Mar. 20, 2025 — Southern elephant seals are the 'canary in the coal mine' for the Southern Ocean, offering insight into how the ecosystem may react to future climate change and human impact, new research ...

Tiny Musky Rat-Kangaroos Hold the Key to Explain Why 'Roos Hop

Mar. 19, 2025 — To understand why kangaroos hop -- a rarity among animals -- researchers have studied the musky rat-kangaroo (Hypsiprymnodon moschatus), a diminutive marsupial that weighs only 500 grams but is the ...

Conservation Efforts Are Bringing Species Back from the Brink, Even as Overall Biodiversity Falls

Mar. 18, 2025 — A major review of over 67,000 animal species has found that while the natural world continues to face a biodiversity crisis, targeted conservation efforts are helping bring many species back from the ...

Wolves Make a Rapid Recovery in Europe

Mar. 17, 2025 — Wolf populations in Europe increased by nearly 60 percent in a decade, according to a new ...

Good Fences Make Good Neighbors (With Carnivores)

Mar. 17, 2025 — A new study has found that fortified enclosures also benefit nearby livestock keepers by preventing carnivore ...

New Name for One of the World's Rarest Rhinoceroses

Mar. 13, 2025 — A recent study has reclassified the species commonly known as the Javan rhinoceros, proposing a more precise scientific name: Eurhinoceros sondaicus. The research highlights key differences in body ...

Discovery: The Great Whale Pee Funnel Moves Vital Nutrients

Mar. 10, 2025 — Scientists have discovered that whales move nutrients thousands of miles -- in their urine -- from as far as Alaska to Hawaii. These tons of nitrogen support the health of tropical ecosystems and ...