Three dolphins were spotted hanging out in New York City’s East River near the Greenpoint neighborhood of Brooklyn, thrilling locals who whipped out their smart phones to record the moment.

This is not the first time dolphins have been spotted in the East River. In 2013, two bottlenose dolphins navigated the same body of water. According to New York State’s Department of Environmental Conservation, up to 90 species of whales, dolphins and porpoises can visit the New York Bight, the waters between New Jersey and Long Island.

Experts said the three common dolphins did not display any erratic behavior and seemed at ease as they freely and calmly swam around. It was expected they would make their way out of the river on their own. After about 20 minutes of public display, they disappeared from sight.