Grounds, custodial and facilities employees had been on the picket line since Monday.

Officials said the zoo remains open and “animal care continues without interruption.”

Brookfield Zoo has announced the arrival of a new pangopup — a baby white-bellied pangolin — just in time for World Pangolin Day on Saturday.

With an extreme cold warning in effect and actual air temperatures below zero in Chicago on Friday morning, several of the city's major cultural institutions have announced closures to the public.

On Thursday, Brookfield Zoo announced that Amelia Gray, an 8-year-old female, will be making the move from the Oregon Zoo to Chicago’s suburbs, where she’ll also be paired up with 5-year-old Hudson.

A zoo in Denmark made headlines when it solicited donations of pets to feed to its predators. WTTW News asked Lincoln Park Zoo and Brookfield Zoo Chicago to share their policies regarding feed sources.

Amur leopards are critically endangered, with fewer than 100 estimated remaining in the wild.

Just days after Brookfield Zoo issued the exciting announcement of the first bottlenose dolphin born at the zoo in more than a decade, staff is mourning the sudden death of the calf on Wednesday night.

Allie, one of Brookfield Zoo’s bottlenose dolphins, is expecting a calf in late spring/early summer.

Admission to Brookfield Zoo is free through Feb. 27 on Saturdays, Sundays, Tuesdays and Thursdays.

Population assessments show monarch populations have declined by 59% from 2023 to 2024. The unique pollinators are an important part of the ecosystem, but also have deep cultural connections.

Chicago notched 2.7 inches in the first snowfall of the season, according to the National Weather Service.

At the end of August, participants in the Sihek Recovery Program, of which Brookfield Zoo is a member, took the first small step toward one day bringing birds and birdsong back to Guam.

For many Chicagoans, visiting Judy and the rest of the small herd at Brookfield represented their sole chance to encounter a bison — the national mammal of the U.S.

Brookfield Zoo Chicago is one of only a few zoos in the U.S. to have successfully bred and birthed pangolins. The newest pup arrived July 25, according to zoo officials.

The changes are detailed in the zoo’s $500 million Next Century Plan, which is in anticipation of the zoo’s 100th anniversary in 2034. Dr. Mike Adkesson, president and CEO of Brookfield Zoo, joined “Chicago Tonight” to discuss the plan.