Mammals

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Researchers Confirm Rare Polar Bear Adoption in Western Hudson Bay

Genetic testing is underway to trace the cub’s mother, with scientists monitoring the collared family on sea ice.

Rewilded Pumas Reach Record Density in Patagonia as Seasonal Penguin Hunts Reshape Behavior

Fisher Confirmed in Cuyahoga County for First Time Since the 1800s

Strong Male Alliances Linked to Slower Biological Aging in Dolphins, Study Finds

Colorado Opens North America’s Largest Wildlife Overpass Over I-25

Phoenix Zoo Opens Public Vote to Name New Masai Giraffe Calf Through Dec. 22

Study Links Warmer Greenland Temperatures to Surge in Polar Bears’ ‘Jumping Gene’ Activity

Scientists Warn Indonesia Floods Dealt ‘Extinction‑Level’ Blow to Tapanuli Orangutans

California Wildlife Agency Backs Threatened Status for Six Mountain Lion Populations

Humans Rank Seventh in New Mammal Monogamy Study, Below Beavers and Above Meerkats

Police Free Deer After It Dashes Through Tennessee Christmas Shop

Salt Shortage in Plants Limits Where Africa's Largest Herbivores Can Thrive

Virginia ABC Debuts Raccoon-Inspired Cocktails After Liquor Store Break-In

Detroit Zoo Lioness Amirah Gives Birth to Three Cubs

Most Modern Dog Breeds Carry Detectable Wolf DNA, Mega-Study Finds

Detroit Zoo Welcomes Healthy Giraffe Calf Born Early Sunday

National Zoo Confirms Elephant Nhi Linh’s Pregnancy, First Expected Calf in Nearly 25 Years

Study Finds Urban Raccoons Have Shorter Snouts, Hinting at Early Domestication

H5N1 Found in Wild Fox in Spain as Bird Outbreak Grows

Researchers Trace the Origins of Kissing to Great Apes 21.5 Million Years Ago