Mammals
Baby Sloths Are About as Cute As You Would Expect
A Costa Rica rescue center offers blankets and bottle-feeding at a nursery for these young animals
As Arctic Temperatures Rise, Polar Bears Are Eating More Garbage
A new paper warns that a growing reliance on trash is leading to more human-bear conflict
The Population of Vaquita Porpoises Has Dwindled to Ten, but a Rebound Isn't Out of the Question
If protected from illegal fishing, scientists say the critically endangered species has enough genetic diversity to recover
One in Five Reptiles Worldwide Are Threatened With Extinction
Researchers assessed over 10,000 species in a comprehensive new study
New Vaccine Could Save Rabbits From Deadly Hemorrhagic Disease
Scientists have a new tool in the fight against a spreading virus that threatens the small mammals
Why Amazing Discoveries About Bear Hibernation May Help Improve Human Health
The creatures' annual protracted snoozes have much to tell us about the biology of mammals, ourselves included
Yellow-Bellied Marmot Hibernation Could Unlock the Key to Longevity
The fluffy rodents stop aging when they curl up in their dens for winter and start again once they emerge in spring
Inside the Hoopa Valley Tribe's Quest to Understand a Rare Carnivore
The tribe maintains some of the most detailed documentation of fishers in North America
Cats and Foxes Kill 2.6 Billion Animals Per Year in Australia
A new study is the first to quantify the impact the two non-native predators have on local wildlife in the country
Paleontologists Uncover the Oldest Sabertoothed Predator
Fossil jaw shows earliest evidence of a specialized carnivore with scimitar-shaped fangs
Adopted Lone Narwhal Traveling Among Belugas Could Produce Narluga Calves
The mammal, now reaching sexual maturity, could mate soon, giving researchers more insight into the previously elusive hybrid animals
Dozens of Extinct Ice Age Animal Remains Found During Construction of a New Town in England
Archeologists found bones from a woolly mammoth, woolly rhinoceros, wolf, hyena, horse, reindeer, mountain hare, red fox and various small mammals
Scientists Discover How Whales Eat Without Choking on Water
An 'oral plug' of muscle and fat could help keep water out of the whales' lungs
Mammoth and Horse DNA Left in Freezer Rewrite Ice Age Extinctions
New research reveals the ancient animals survived some 8,000 years later than previously thought
How Australia’s Eastern Barred Bandicoot Came Back From Extinction
With help from a captive breeding program and the watchful eyes of sheepdogs, the small mammal has been reintroduced to the country’s plains
Some Whales Can Eat Upwards of 16 Tons of Tiny Shrimp a Day
The giant mammals consume enormous quantities of marine organisms, three times more than previously thought, then their poop fertilizes the sea
Researchers Need Volunteer 'Walrus Detectives' to Help Count the Animals in Satellite Images
The project aims to quantify the impact of climate change on the species
How Steller's Sea Cows Impacted the Environment They Left Behind
A new paper explores the ways these extinct megaherbivores would have reshaped kelp forests across the North Pacific
Ode to an Orca
A photographer takes the plunge into forbidding waters off Norway for an extraordinary encounter with orcas
For Panama's Fall Whale-Watching Season, Scientists Offer Tips for Safeguarding These Magnificent Creatures of the Deep
For humpback whales, bottlenose dolphins and coastal manatees, tourism is a mixed bag, making vigilance ever more important
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