The calf was born on Oct. 29, but he “began to decline rapidly” three days later on Nov. 1, according to the zoo “Every effort was made to intervene and improve the dolphin’s chances of survival, but ...

A baby dolphin born live on camera at Brookfield Zoo has died just days after footage of the birth went viral, the zoo announced Thursday. The zoo said it was "devastated" by the sudden loss of the ...

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

A baby dolphin was born over the weekend at a Chicago zoo. The calf appeared healthy up until its abrupt death Wednesday evening. The male calf was just four days old. He was born Saturday to ...

The park announced the birth of a baby bottlenose calf to first-time mother Koko, who is 13. The calf was born on May 26 and is estimated to be around 30 pounds and measures about three feet in length ...

CHICAGO -- A Pacific white-sided dolphin calf was born Monday at Shedd Aquarium in Chicago. WATCH VIDEO: Wild sea otter gives birth in front of aquarium visitors Baby and mom are doing swimmingly. The ...