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2022-2023 Pinniped Unusual Mortality Event along the Maine Coast

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).

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Photograph from the North Atlantic right whale Catalog #3560 of "Snow Cone," a North Atlantic right whale sighted December 2, 2021 that was entangled in gear and with a new calf. Photo credit: Florida Fish and Wildlife Conservation Commission taken under NOAA permit 20556. North Atlantic right whale Catalog #3560 ‘Snow Cone’ sighted December 2, 2021 entangled and with a new calf. Photo credit: Florida Fish and Wildlife Conservation Commission taken under NOAA permit 20556.
NARW #3720 and calf North Atlantic right whale mother and calf. Credit: Clearwater Marine Aquarium Research Institute, taken under NOAA permit #20556-01.