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

Get Instant Summarized Text (Gist) Signature whistles of bottlenose dolphins offer a reliable method for estimating their abundance, comparable to photo-ID techniques. Analysis of acoustic data ...

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

Allie, a 37-year-old bottlenose dolphin, is in her second trimester and is expected to give birth in June. Brookfield Zoo Chicago Share Brookfield Zoo has a case of baby fever. Dolphin baby fever ...