Since Valentine's Day, a pair of dolphins has been seen along Manhattan's Upper East Side along the FDR Drive.

Over the weekend, two dolphins were spotted making a splash in the East River. FOX 5 NY's Arthur Chi'en takes a closer look at how they ended up in New York City.

They’re evading the Congestion Zone. Dolphins have been spotted gallivanting in the East River over the last two days in a rare city wildlife delight. Keen-eyed ocean fauna fanatics spotted the two slick swimmers on Friday and Saturday — bobbing up and down the waterway near the Upper East Side alongside the FDR Drive.