It’s a riddle. No one knows for sure why dolphins are being spotted more frequently and for longer periods in and around New York Harbor, the giant estuary where salty ocean tides mix with fresh water from the Hudson River.
“We’ve had a ton of sightings,” said Maxine Montello, an official at the New York Marine Rescue Center. “It’s a glory to see stronger populations but also a worry because there’s increased overlap with humans and shared resources,” she said, particularly during summer months when more tourist and pleasure craft ply the busy waters.
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