Normally, people are the ones looking at animals in zoos and aquariums.

But a woman sporting a bionic arm prompted a tweak to this typical arrangement.

A curious dolphin was swimming in its enclosure at an aquarium in the United States when it spotted the woman with a bionic arm.

A dolphin at a United States aquarium found a woman's bionic arm quite interesting

The dolphin was swimming in its tank when it spotted the woman's arm. The dolphin came over to observe

She was holding her arm up, touching the glass of the enclosure.

The dolphin took a turn toward the woman and observed her hand, prompting comments from observers off-screen.

'Look at, how cool,' one says.

'[The dolphin] loves it,' says another.

The woman turns to the camera, smiling from ear-to-ear.

Meanwhile, other dolphins in the enclosure swim over to see what the commotion was.

Eventually, all the dolphins swam off.