Mammals News

April 18, 2024

Top Headlines

Dog Attacks on Mountain Tapirs Highlight a Growing Threat to Endangered Wildlife

Apr. 17, 2024 — Researchers who captured footage of dog attacks on endangered mountain tapirs in Colombia are calling for action to protect threatened ...

Digging Up New Species of Australia and New Guinea's Giant Fossil Kangaroos

Apr. 15, 2024 — Palaeontologists have described three unusual new species of giant fossil kangaroo from Australia and New Guinea, finding them more diverse in shape, range and hopping method than previously thought. The three new species are of the extinct genus ...

Where Have All the Right Whales Gone?

Apr. 12, 2024 — Marine researchers have mapped the density of one of the most endangered large whale species worldwide, the North Atlantic right whale, using new data to help avoid right whales' harmful exposure to commercial fisheries and vessel strikes. The ...

Iconic Savanna Mammals Face Genetic Problems Due to Fences and Roads

Apr. 12, 2024 — Wildebeest migrations have become a rarer sight in Africa as humans continue to interrupt their historic migratory routes with roads, fences, cities, livestock and farmland. This has led to genetic decay in those herds that are no longer able to ...

Latest Headlines

updated 10:51pm EDT

Mapped: 33 New Big Game Migrations Across American West

Apr. 11, 2024 — A new set of maps that document the movements of ungulates was published today in the fourth volume of the Ungulate Migrations of the Western United States. The maps in this collaborative report ...

Toothed Whale Echolocation Organs Evolved from Jaw Muscles

Apr. 8, 2024 — Genetic analysis finds evidence suggesting that acoustic fat bodies in the heads of toothed whales were once the muscles and bone marrow of the ...

Small Birds Spice Up the Already Diverse Diet of Spotted Hyenas in Namibia

Mar. 28, 2024 — Hyenas are generalist predators (and scavengers) with a broad range of prey species. They are known for hunting (or scavenging) larger mammals such as antelopes and occasionally feed on smaller ...

Genomic Research May Help Explain Cancer Resistance in Tasmanian Devils

Mar. 28, 2024 — Through DNA sequencing of Tasmanian devils and their tumors, researchers have tracked the genomic interactions between the animals and the ...

Scientists Warn: The Grey Seal Hunt Is Too Large

Mar. 27, 2024 — Researchers warn that today's hunting quotas of about 3,000 animals pose a risk to the long-term survival of the grey seal in the Baltic Sea. The conclusions of this new study are based on statistics ...

Secrets of the Naked Mole-Rat: New Study Reveals How Their Unique Metabolism Protects Them from Heart Attacks

Mar. 27, 2024 — This unusual, subterranean mammal with extreme longevity shows genetic adaptations to low oxygen environments which could offer opportunities for ...

Two Coral Snakes Recorded Battling for Prey in a Scientific First

Mar. 26, 2024 — Two red-tailed coral snakes have been observed competing over a caecilian in the first documented wild case of kleptoparasitism within the family ...

Caller ID of the Sea: Tagging Whale Communication and Behavior

Mar. 25, 2024 — Biologists use a novel method of simultaneous acoustic tagging to gain insights into the link between whale communication and ...

Sheep: Excess Temperatures Cause Low Flocking Concerns

Mar. 21, 2024 — High temperatures during critical periods of the reproductive cycle of sheep result in 2.1 million fewer lambs produced in Australia each year, costing sheep farmers an estimated $97 million ...

Scientists Weigh Up Current Status of Blue Whale Populations Around the World

Mar. 20, 2024 — The largest living animal, the blue whale (Balaenoptera musculus) which averages about 27 meters in length, has slowly recovered from whaling only to ...

Your Dog Understands That Some Words 'Stand For' Objects

Mar. 22, 2024 — It's no surprise that your dog can learn to sit when you say 'sit' and come when called. But a new study has made the unexpected discovery that dogs generally also know that certain ...

Entanglements of Humpback Whales in Fish Farms Rare -- And Naivety Could Be to Blame

Mar. 21, 2024 — The first study of humpback whale entanglements in B.C. aquaculture facilities found eight over 13 years, with the curiosity of young whales a potential contributing ...

Killer Whales Use Specialized Hunting Techniques to Catch Marine Mammals in the Open Ocean

Mar. 20, 2024 — Killer whales foraging in deep submarine canyons off the coast of California represent a distinct subpopulation that uses specialized hunting techniques to catch marine mammals, researchers ...

Industrial Societies Losing Healthy Gut Microbes

Mar. 18, 2024 — Our eating habits in industrialized societies are far removed from those of ancient humans. This is impacting our intestinal flora, it seems, as newly discovered cellulose degrading bacteria are ...

Global Wildlife Study During COVID-19 Shows Rural Animals Are More Sensitive to Human Activity

Mar. 18, 2024 — One of the largest studies on wildlife activity reveals that wild animals react differently to humans depending on where the animals live and what they eat. Bigger herbivores -- plant-eating animals ...

Shark-Bitten Orcas in the Northeastern Pacific Could Be a New Population of Killer Whale

Mar. 15, 2024 — Researchers believe a group of killer whales observed hunting marine mammals including sperm whales, as well as a sea turtle, in the open ocean off California and Oregon could be a new population. ...

Chimp Moms Play With Their Offspring Through Good Times and Bad

Mar. 14, 2024 — A recent study observing wild chimpanzees over a period of more than 10 years revealed that when food gets scarcer, the adults put play aside and focus on survival, while mother chimps continue to be ...

Menopause Explains Why Some Female Whales Live So Long

Mar. 13, 2024 — Females of some whale species have evolved to live drastically longer lives so they can care for their families, new research ...

Rope Entanglement Cause of Low Breeding Rates in Right Whales, Analysis Finds

Mar. 13, 2024 — New findings show the severe impact of fishing gear entanglements on the survival of critically endangered North Atlantic right whales, with every injury from entanglements impacting population ...

New Study Shows How AI Can Help Us Better Understand Global Threats to Wildlife

Mar. 13, 2024 — Researchers used AI to scour information from websites and social media to map bat hunting and trade. Research found evidence of bat exploitation in 22 countries that had not previously been ...

Pronghorn Population Declining Due to Human Development

Mar. 12, 2024 — A new article looked at 40 years of data collected on 40 pronghorn herds residing in the Wyoming Basin Shrub Steppe. Overall, 80% of the herds saw a decrease in productivity, and nearly 43% saw a ...

Gene Flow in Giraffes and What It Means for Their Conservation

Mar. 12, 2024 — Giraffes, with their bizarre body plan, have always held a special place in the minds of evolutionary biologists and non-experts alike. In a new study whole-genome sequencing data was used to ...

Cheetahs' Unrivalled Speed Explained by Their 'Sweet Spot' Size, Finds Imperial Study

Mar. 12, 2024 — A new study has answered a long-held question about why medium-sized land animals like cheetahs tend to be ...

Reptile Roadkill Reveals New Threat to Endangered Lizard Species

Mar. 7, 2024 — The chance sighting of a dead snake beside a sandy track in remote Western Australia, and the investigation of its stomach contents, has led researchers to record the first known instance of a ...

Fossils of Giant Sea Lizard With Dagger-Like Teeth Show How Our Oceans Have Fundamentally Changed Since the Dinosaur Era

Mar. 5, 2024 — Fossils of a strange new species of marine lizard with dagger-like teeth that lived 66 million years ago, show a dramatically more biodiverse ocean ecosystem to what we see ...

Orcas Demonstrating They No Longer Need to Hunt in Packs to Take Down the Great White Shark

Mar. 2, 2024 — An orca (killer whale) has been observed, for the first-ever time, individually consuming a great white shark -- and within just two ...

Slimming Down a Colossal Fossil Whale

Feb. 29, 2024 — A 30 million year-old fossil whale may not be the heaviest animal of all time after all, according to a new analysis by paleontologists. The new analysis puts Perucetus colossus back in the same ...

Researchers Are First to See at-Risk Bat Flying Over Open Ocean

Feb. 29, 2024 — On a research cruise focused on marine mammals and seabirds, scientists earned an unexpected bonus: The first-ever documented sighting of a hoary bat flying over the open ...

Avian Influenza Virus Is Adapting to Spread to Marine Mammals

Feb. 28, 2024 — Avian influenza virus H5N1 has adapted to spread between birds and marine mammals, finds a new ...

Mice Surprise: Researchers Discover New Native Species

Feb. 22, 2024 — Australia can lay claim to two new species of native rodent thanks to a new study. The aptly named delicate mouse was previously thought to be a single species spanning a massive stretch of the ...