A Chicago-based zoo is celebrating a major marine mammal milestone with the birth of a bottlenose dolphin calf—its first in more than a decade. The new arrival comes as a joyful update for staff, conservationists, and guests alike, symbolizing both scientific achievement and a new chapter in marine animal care. The calf was born early Saturday morning on June 7 to Allie, a 38-year-old female bottlenose dolphin who has been under the zoo’s care for many years. She began