Watch: Adorable red wolf pups learn to howl from parents

The red wolf is the most endangered wolf species in the world, even declared extinct in the wild in 1980.

Loudoun County animal rescue staff charged with animal cruelty

More than 100 animals were recently found mistreated in the town of Round Hill in northern Virginia, and now three people with Luck of the Irish Animal Rescue are facing several animal cruelty charges.

Watch: Chimp 'infatuated' with newborn at zoo builds nest for 'pretend baby'

"Zola has always had a very maternal side and we have often caught her playing with rocks and building nests for her stones, even picking them up and carrying in her leg pocket."

Dog attacks 4-year-old Texas girl; owner being evicted by city

Four-year-old Sahirah was attacked by a pit bull mix while playing outside under the watch of her mother. She now has to wear a bandage over her face as her wounds heal.

Baby gorilla born at the National Zoo

Calaya, a 20-year-old female western lowland gorilla, gave birth on Saturday, according to the Smithsonian’s National Zoo. 

Watch: Family dog scares off black bear from New York home

A black bear wandered into a home in upstate New York, and a security camera captured Harper the dog bravely rushing toward the animal, scaring it away.

Emergency summit called after multiple horse deaths at Churchill Downs

Seven horses died from training or racing injuries at Churchill Downs leading up to the 149th Kentucky Derby on May 6, including two on the undercard.

"DG4" falls from their Dulles Greenway nest

One of the beloved Dulles Greenway eagles fell from their nest but was rescued overnight and is on the mend.

2 more horses die at Churchill Downs; total stands at 12 at home of Kentucky Derby

Mare Kimberley Dream was euthanized after sustaining a distal sesamodean ligament rupture to her front leg during Saturday’s first race. Lost in Limbo was euthanized following a similar injury just before the finish line in Friday’s seventh race.

Meerkat pups born at Smithsonian’s National Zoo

For the first time in 16 years, three meerkat pups were born at the Small Mammal House at the Smithsonian's National Zoo.