New York City onlookers were surprised on Monday when a whale was spotted swimming under the Williamsburg Bridge on Monday, emerging from the surface.

People on the Brooklyn shore got a glimpse of the whale flashing its tail out of the water, according to the U.S. Coast Guard, which received multiple reports from spectators

On Monday, November 25, an unexpected sighting occurred when a Humpback whale was seen swimming beneath the Brooklyn Bridge. This marks the first time the species has visited the East River in two years.

A whale was spotted in the East River on Monday near the Brooklyn and Manhattan bridges, flashing its tail out of the water just close enough for people on the Brooklyn shore to get a peek, according to the U.S. Coast Guard, which received multiple reports of the underwater mammal.