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North Atlantic Right Whale Sighting Advisory System (NARWSS)

Published by Northeast Fisheries Science Center | National Oceanic and Atmospheric Administration, Department of Commerce | Metadata Last Checked: December 20, 2025 | Last Modified: 2025-05-15T19:16:05.000+00:00
Since 1995, PSB has been conducting line-transect aerial abundance surveys over waters ranging from North Carolina to the Gulf of St. Lawrence in Nova Scotia, Canada, and from the coastline to slightly beyond the EEZ.

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