That could be anything from the bit of fabric that this playful dolphin uses on its member to the bottlenose dolphin's practice of wrapping "a live, wriggling eel" around its penis. Oh ...

What to our ears is a creaking door or a melodic pop is to a dolphin a means to echolocate or communicate. They even have names—research has found they use ‘signature whistles’ to identify ...

A bottlenose dolphin at a Chicago zoo has given birth to a calf with the help of a fellow mum, with the moment of birth recorded by zoo staff.

CHICAGO (AP) — A bottlenose dolphin at a Chicago zoo gave birth to a calf early Saturday morning with the help of a fellow mom, in a successful birth recorded on video by zoo staff. The dolphin ...

CHICAGO — A bottlenose dolphin at a Chicago zoo gave birth to a calf early Saturday morning with the help of a fellow mom, in a successful birth recorded on video by zoo staff. The dolphin calf ...

CHICAGO — A bottlenose dolphin at a Chicago zoo gave birth to a calf early Saturday morning with the help of a fellow mom, in a successful birth recorded on video by zoo staff. The dolphin calf was ...

CHICAGO (AP) — A bottlenose dolphin at a Chicago zoo gave birth to a calf early Saturday morning with the help of a fellow mom, in a successful birth recorded on video by zoo staff.