NOAA Fisheries released the 2019 Report of Marine Mammal Strandings in the United States: National Overview, and five regional overviews. Marine mammals strand for a variety of reasons, and NOAA Fisheries tracks this data to monitor threats to wild marine
The Whale and Dolphin Conservation team expands the Greater Atlantic Regional Marine Mammal Stranding Network response territory. The Network assesses health, provides rehabilitation, and investigates the cause of death of marine mammals.
Since June 2022, elevated numbers of harbor seal and gray seal mortalities have occurred across the southern and central coast of Maine. This event has been declared an unusual mortality event (UME).
Beginning in June 2022, Marine Mammals of Maine—a NOAA Fisheries authorized marine mammal stranding network partner—has responded to an elevated number of stranded seals.
The Unusual Mortality Event involving stranded harbor and gray seals along the coast of Maine has ended. NOAA Fisheries and partners investigated the event, which occurred from June 20 to July 20, 2022.