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 ...

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 ...

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 ...