Mammals

Over the past decade, vaquita numbers plummeted from 576 to just ten individuals because of a rise in the illegal totoaba trade.

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

A Tuatara in New Zealand

One in Five Reptiles Worldwide Are Threatened With Extinction

Researchers assessed over 10,000 species in a comprehensive new study

Researchers are most concerned with the disease affecting endangered species like these riparian bush rabbits.

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

Visible in the entrance to their den are a mother black bear, who has been sedated, and her female cub. Scientists are watching to see how bears will tweak their hibernation habits as the climate warms.

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

The cat-sized, butter-colored rodents live about 15 years on average, a much longer lifespan than what is expected for their size.

Good News

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

A captured fisher is released after undergoing sedation and physical examination, a part of the Hoopa Valley Tribe’s longstanding efforts to monitor the culturally important species.

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

A feral fox in Australia.

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

A fossil of a Diegoaelurus jawbone was recovered from a construction site in Oceanside, California.

Paleontologists Uncover the Oldest Sabertoothed Predator

Fossil jaw shows earliest evidence of a specialized carnivore with scimitar-shaped fangs

Researchers suspect that breeding is a possibility because of how close the narwhal is to the pod of belugas.

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

A partial woolly rhinoceros mandible with several teeth still attached.

Cool Finds

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

Baleen whales like humpbacks use hair-like bristles in their mouth to sieve prey from the water

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

Frozen DNA evidence trapped in soil suggests that mammoth and wild horse populations petered out slowly, instead of vanishing quickly.

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

An eastern barred bandicoot explores its space in the Werribee Open Range Zoo.

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

A humpback whale feeds on sand lance in the Stellwagen Bank National Marine Sanctuary.

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

Melting sea ice because of climate change forces walruses to congregate on land instead of ice.

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

Gigantic and extinct, Steller’s sea cows would have played an important role in shaping their environment.

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

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Ode to an Orca

A photographer takes the plunge into forbidding waters off Norway for an extraordinary encounter with orcas

After a year of strict Covid-19 lockdowns which brought a severe economic standstill, Panama is awaiting the return of visitors and the restart of the tourism industry.

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

A bone tool from Contrebandiers Cave likely used for making clothes out of the skin of predators.

Evidence of Fur and Leather Clothing, Among World's Oldest, Found in Moroccan Cave

Humans likely sported clothes made of jackal, fox and wildcat skins some 120,000 years ago

A mammoth replica on display at the Royal British Columbia Museum in Victoria, Canada.

These Scientists Plan to Fully Resurrect a Woolly Mammoth Within the Decade

A company has raised $15 million to bring the species back from extinction using gene editing technology

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