Brookfield Zoo is leading a first-of-its-kind study to collect data from dolphins and other aquatic mammals using a Fitbit-like device that figures to revolutionize human understanding of the animals’ behavior.

From siblings with snowballs to wrestling chimpanzees, playful behavior is usually easy to spot. But the question of why we play – and whether we all play for the same reasons – is less apparent.

A Mexican wolf pup born this spring at Brookfield Zoo and released into the wild as part of a species recovery program was tracked down in New Mexico and is healthy, the zoo announced this week.

One of the oldest giraffes in a North American zoo died last week. At 27, she had surpassed the median life expectancy for giraffes, which is about 17-20 years.

One of Brookfield Zoo’s newest tenants recently emerged from her mom’s pouch and can now be seen at the zoo’s Australia House.  

More than 125 animal welfare experts from around the world will gather in October to share new research and best practices related to caring for animals in zoos and aquariums.

The colorful bird who lived to the ripe old age of 83 had a global fan base and seemed to enjoy being the center of attention. A year after his death, Brookfield Zoo is set to unveil a statue in his honor.

Zingo, the first black-crested mangabey born at the zoo, has light-colored skin that will darken over time. 

Sample more than 80 beers while taking in the zoo’s wildlife and nature at the sixth annual event.

After spending their first weeks learning to swim and bonding with their mothers, Lucy and Taylor make their public debut.

Like many humans approaching their elder years, a 49-year-old western lowland gorilla named Ramar has been dealing with knee pain.

Customized activity monitoring devices are helping Brookfield Zoo staff study sleeping patterns and other behaviors in giraffes. 

The striped “forest giraffe” is the 28th okapi to be born at the suburban zoo since 1959, when it became the first zoo in North America to have a birth of the species.

For the first time, Brookfield Zoo is exhibiting a pangolin, a rare animal native to Africa and Asia.

Just in time for Easter, a reindeer named Bunny gives birth to a male fawn – the first reindeer born at Brookfield Zoo since 1980. 

The ethical debate over zoos – and whether animals belong in them – has resurfaced over the past year, and now Brookfield Zoo is joining the discussion.