WASHINGTON — Brookfield Zoo Chicago is mourning the sudden death of its four-day-old bottlenose dolphin calf. The male bottlenose dolphin was the first born at the facility in over a decade ...

A bottlenose dolphin delivered a calf Saturday morning at Brookfield Zoo Chicago, a “momentous occasion” that marks the first dolphin birth there in more than a decade.

“Every birth is a remarkable learning opportunity, and the scientific information we gain benefits marine conservation efforts," Dr. Mike Adkesson, Brookfield Zoo Chicago president and CEO, said.

Brookfield Zoo Chicago is celebrating the birth of a bottlenose dolphin for the first time in more than a decade. Allie welcomed her calf at 12:22 a.m. Saturday in one of the pools in Seven Seas ...

Brookfield Zoo Chicago's 44th annual "Whirl" gala, held April 26 at the Hilton Chicago, raised a record-breaking $2 million to support its animal care, conservation and education programs.

Brookfield Zoo is set to become home to two adult western lowland gorillas, Shango and Barney, who will form the first-ever bachelor troop at the zoo. The brothers will be joining other primates ...