Mammals

A bear in Colorado took a liking to a wildlife camera, capturing hundreds of selfies.

This Black Bear Took Hundreds of ‘Selfies’ on a Wildlife Camera

Of the 580 images captured by the camera in November, about 400 were of the bear

Derek Burgoyne captured the moment a moose sheds its antlers using a drone in New Brunswick, Canada.

Watch Rare Drone Video of a Moose Shedding Its Antlers

A wildlife enthusiast in eastern Canada stumbled across the magnificent event this month

The Columbia Basin pygmy rabbit relies on sagebrush for food and shelter, but the shrub has nearly disappeared. It's also slow to regrow: it takes about two decades, or ten pygmy rabbit lifetimes.

Planet Positive

Can Scientists Save the World’s Tiniest Rabbit?

In Washington State, the race is on to save a diminutive bunny as wildfires threaten its already shrinking habitat

The small mammal's foot in the fossil of the microraptor.

This 120-Million-Year-Old Dinosaur Fossil Had a Mammal Hiding in Its Stomach

The finding represents only the second recorded instance of a dinosaur consuming a mammal

This 2013 photo of P-22 helped catapult him to fame. The cougar inspired conservation projects for urban wildlife and earned a robust Instagram following.

Why Los Angeles Fell in Love With the Mountain Lion Known as P-22

A local celebrity, the feline that was the face of several conservation campaigns died this weekend

A beaver relaxes in water in Anchorage, Alaska. `

As the Arctic Warms, Beavers Move In

Scientists are beginning to study the impacts of beaver dams on the tundra

Humans have come up with a number of wacky methods to keep animals deemed "vermin" in check.

Seven of the Wildest and Weirdest Attempts to Curb Animal Pests

Why use fences or traps, when you can use deadly viruses or lustful snakes?

A mouse lemur grasps onto a tree branch in Madagascar. Scientists looked to characteristics in such modern primates to form a hypothesis about how primates behaved after an asteroid wiped out non-avian dinosaurs.

Soon After Dinosaur Decimation, Our Primate Ancestors Began Pouncing on Prey

Nails helped them climb trees quietly, and forward-facing eyes helped with depth perception to aid in precise leaping

The costume worn by Chadwick Boseman’s Black Panther in the 2016 film Captain America: Civil War is in the collection of the National Museum of African American History and Culture. The suit imbues him with powers similar to the abilities of the dark cats.

14 Fun Facts About Black Panthers

Many of the Marvel superhero’s powers are inspired by the namesake predator

An artistic rendering of a multituberculate mother with her litter of offspring.

Just Like Us, Jurassic Mammals Cared for Their Young

Clues from bones reveal multituberculates looked after their offspring for lengthy periods during the Age of Dinosaurs

A mountain lion, P-22, known to live in the Los Angeles area

L.A.'s Cougars Were Driven to Extremes by Wildfire

With less suitable habitat, the big cats traveled further and crossed dangerous roads more often

The eastern lowland gorilla saw an estimated 80 percent decline in the Democratic Republic of the Congo’s Kahuzi-Biega National Park between 1994 and 2019. 

Animal Populations Faced a ‘Very Sharp Decline’ Since 1970

World Wildlife Fund researchers say vertebrate populations decreased by 69 percent, on average

Two juvenile gray wolves in Washington

Six Endangered Gray Wolves Were Poisoned in Washington

Conservation groups are offering more than $51,000 for information on the killings

The Mirage dolphin exhibit in 2000

Three Dolphins Die at the Mirage in Six Months

The Las Vegas hotel and casino temporarily closed its dolphin exhibit after 11-year-old K2 passed last month

Bison typically roam the tall grasses of the American prairie, but a herd in Grand Canyon National Park has found ways to thrive in forest and desert habitats.

Meet the ‘Forest Ninja Bison’ Living in Grand Canyon National Park

Wildlife managers recently relocated dozens of the iconic animals to help restore balance to the park's ecosystem

A bull walks in front of a cow. If they mate, the bull’s sperm will likely cluster together as they swim through the female’s reproductive organs.

Bull Sperm Get by With a Little Help From Their Friends

Traveling together helps the sperm navigate a tricky, sticky migration through a cow's reproductive tract

One reader wonders: Why did ants make it all over the Americas while anteaters didn’t?

 

Why Do Anteaters Live Only in the Tropics and More Questions From Our Readers

You've got questions. We've got experts.

Calli moves around on land.

Beloved Sea Lion at National Zoo Dies Unexpectedly

Calli, a 17-year-old California sea lion, is remembered by zoo staff as a good mother and ambassador for her species

A male bison atop an arid hillside on Santa Catalina Island in California.

The Uneasy Future of Catalina Island's Wild Bison

One of Hollywood’s weirdest legacies, the herd of beasts lives under the watchful eye of local conservationists

Hoffmann’s two-toed sloth babies need round-theclock care. Once they’re adults, they’ll be microchipped and released back into the rainforest.

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

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