Officials from the Massachusetts Department of Fish & Game (DFG) are urging boaters to be on the lookout for North Atlantic right whales—a critically endangered species—which have begun to congregate and feed in large numbers in Western Cape Cod Bay. The North Atlantic right whale is one of the most endangered large whales in the world, with a population of approximately 550.
On April 27, 2013, approximately 113 right whales were documented in Cape Cod Bay (CCB). A dense aggregation of around 60 animals is clustered in the western portion of CCB from Green Harbor to Sandwich. DFG’s Division of Marine Fisheries (DMF) is issuing a high-risk advisory due to the number of whales, their behavior, their proximity to shore and the local abundance of zooplankton—tiny marine creatures on which the whales feed. An aerial survey is being conducted to fully ascertain the number of whales in the area. Right whales gather annually in the waters off of Cape Cod to feed. Last year, approximately 50% of the known population was sighted in Massachusetts waters.
Right whales engage in surface and subsurface feeding and are often difficult to see, putting them at great risk to be struck by vessels. Vessel strike is a major cause of human-induced mortality for right whales. For the safety of both mariners and whales, vessel operators in the Cape Cod Bay area are strongly urged to proceed with caution, reduce speed (less than 10 knots), and post lookouts to avoid colliding with these highly endangered whales.
Highly concentrated amounts of zooplankton at and just below the surface are driving the whales’ behavior. Based on a survey of zooplankton performed on April 27, it is expected that this aggregation of whales will persist for several more days to perhaps a week. DMF will lift the advisory when the right whales depart the area.
Vessels are prohibited by state and federal law from approaching within 500 yards of a right whale. Massachusetts Environmental Police and U.S. Coast Guard are authorized to enforce the 500-yard rule. Vessels that find themselves within 500 yards of a right whale should slowly and cautiously exit the area.
Management of maritime activities near right whales is part of the DMF Right Whale Conservation Program. The Right Whale Conservation Program is a cooperative effort between DMF, the Provincetown Center for Coastal Studies (CCS), and the National Marine Fisheries Service to study and protect right whales in Cape Cod Bay.
Please report all sightings of right whales immediately. Call the NOAA Fisheries Hotline at (866-755-NOAA) or hail the Coast Guard on Channel 16. For more information, visit the DMF website by CLICKING HERE or contact Erin Burke at firstname.lastname@example.org or (978-551-0152) or Dan McKiernan at email@example.com or (617-626-1536).
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