Mammals
Scientists Find 'Lost' Echidna Species for the First Time in 60 Years
An expedition team in Indonesia spotted the elusive, egg-laying mammal, which is named after David Attenborough and had not been documented since 1961
Domestic Cats Could Breed Scottish Wildcats Out of Existence
Just a few decades of intermixing affected the DNA of all sampled modern wildcats, researchers say, suggesting the species may be "genomically extinct"
Orcas Sink Another Boat in the Strait of Gibraltar
The crew is safe, but the marine mammals did so much damage to the Polish sailing yacht that it couldn't make it back to port
California's Surfboard-Stealing Sea Otter Has Given Birth to a Pup
Otter 841 made headlines for her “unusual” behavior this summer, which biologists now say could’ve been related to pregnancy hormones
North Atlantic Right Whale Numbers May Be Stabilizing at Last
After a decade of decline, the latest population estimate is good news—but conservationists say we "have a long ways to go" to safeguard the marine mammals
How Scientists Tracked the Movements of a 17,000-Year-Old Woolly Mammoth
Isotopes tell the epic tale of one ancient mammal’s odyssey across Alaska
Why Australians Are Growing to Appreciate These Giant, Threatened Bats
Once seen as a menace, the gray-headed flying fox brings new life after recent devastating wildfires
Meet Grazer, the Winner of Fat Bear Week 2023
A fiercely aggressive mother and a skilled angler, the massive brown bear has been crowned this year's champion in the annual online popularity contest
See 12 Winning Images From the Wildlife Photographer of the Year Contest
The stunning entries showcase the behaviors of ancient and elusive species, from horseshoe crabs to tapirs and orcas—as well as the threats they face
How Do Cats Purr? Scientists May Now Have an Answer
Domestic cats produce low-frequency vocalizations when purring, an unusual ability for their small size
More Mammals Can Glow in the Dark Than Previously Thought
A new study found that 125 different mammal species are fluorescent under ultraviolet light, suggesting the property is widespread
This Fluffy Little Anteater May Be a New Species
The animals eke out a living in a pocket of mangroves on Brazil’s Atlantic coast
Why Do Orcas Keep Harassing Porpoises?
An endangered group of killer whales in the Pacific Northwest has been toying with porpoises for decades—and new research offers some possible explanations
Dugong Populations Are Declining in the Great Barrier Reef, Study Finds
Destruction of seagrass habitats and "indiscriminate" gillnet fishing have both contributed to the marine mammals' dropping numbers, scientists say
Before Fat Bear Week, Don’t Forget the Corpulent Cubs Competing in Fat Bear Junior
The offspring of Katmai National Park’s famous brown bears will face off in a bracket all their own
Earth's Next Supercontinent Could Wipe Out Mammals in 250 Million Years
Termed “Pangea Ultima,” the predicted future landmass might be extremely hot, plagued by volcanoes and largely inhospitable, per a new modeling study
Scientists Collect First RNA From an Extinct Tasmanian Tiger
No other RNA has ever been extracted from an extinct species, so the breakthrough opens doors to understanding the biology of long-gone organisms
San Diego Closes Popular Beach for Seven Years to Protect Sea Lions
Visitors have been getting too close to the marine mammals—taking selfies and even harassing them—as they rear their pups
Are Wild Animals Really Just Like Us?
A summer of news reports about orca, otter and bird “attacks” has the public wondering if trying to understand animal behavior in human terms is misguided
How an Orca Skeleton Made Its Way From Florida to the Smithsonian
Washed up in a rare stranding event, the newly collected specimen will offer rich exploration for researchers
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