Bottlenose dolphin Allie, 37, is pregnant, Brookfield Zoo Chicago announced. The calf is due in June, but 24-hour labor-watch ...

This summer, the Brookfield Zoo’s bottlenose dolphin habitat will reverberate with the talkative chatty whistles and playful leaps of a new calf — the first expected to be born there in over ...

Dolphins are very social animals that scientists have observed “smiling” while playing with one another. But a solitary bottlenose dolphin, known by the name Delle, has been observed near the ...