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Deluge of right whale deaths
Just thought I would keep you posted, there have been a lot of deaths in the
right whale population lately... Subject: Deluge of right whale deaths and births For endangered right whales, itâ?Ts the best of times and the worst of times. Four adult whales found dead in six weeks while thirteen calves are born. BOSTON. New England Aquarium scientists studying one of the worldâ?Ts most endangered whales are dismayed at the deaths of four adult right whales in just six weeks. This is over 1% of the tiny population of 325 to 350 right whales that inhabit the coastal waters of the eastern U.S. and Canada. Their concern has been tempered by the birth of thirteen right whale calves in the waters off of Florida, Georgia and North Carolina. This is a fast start to a calving season that extends from December to March. The most recent dead right whale was spotted by a New England Aquarium aerial survey team 15 miles east of Cumberland Island, Georgia on Wednesday morning. The carcass was about 40 feet long and appeared to be that of a young adult. Conservation groups, the state of Georgia, and the Coast Guard are finalizing plans to tow the animal to shore where scientists will conduct a necropsy to try to determine the cause of death. The day before and nearly a thousand miles north, the Coast Guard retrieved tissue samples and took photographs of a female right whale found floating about 60 miles southeast of Nantucket. The New England Aquarium identified the animal as â?oBoloâ??, an adult female who had given birth to a record six calves. The right whale population has remained perilously low due in part due to low reproduction rates throughout the population. In the right whale world to lose a female is a significant blow but to lose its most prolific mother has even more impact. Wednesday evening, staff from the New England Aquarium and the Cape Cod Stranding Network were aboard the Woods Hole vessel â?oTiogaâ?? and were attempting to tow â?oBoloâ?? to shore in Rhode Island where whale researchers will conduct an autopsy. In early December, another dead right whale, approximately 40 feet long, was spotted about 75 miles south of Nantucket. Due to sea and weather conditions, the carcass was never retrieved. The whale was not identified, and there was no visible cause of death. In late November, a migrating pregnant right whale was struck and killed by a ship off the coast of Virginia. A recreational boater discovered the dying whale within hours of an outbound Navy ship reporting that it had struck a whale. The necropsy revealed that the late term fetus was just weeks away from being born. NOAA has called for a summit of all federal agencies with sea going vessels to consider a voluntary speed reduction for federal ships in waters frequented by right whales. The New England Aquarium has been studying right whales for 25 years and has never seen so many right whales die in such a short period of time. The bad news of an unprecedented number of right whale deaths has been countered by the good news of the confirmed births of thirteen new calves. One birth in particular sparked optimism among researchers. â?oCalvinâ?? is a young female who has survived nearly every bad thing that can happen to a right whale. Her own mother was killed by a ship strike when Calvin was only eight months old. She later survived a significant fishing gear entanglement. In late December, a Coast Guard cutter responding to a report of an entangled whale found Calvin lolling in shallow waters off of Wrightsville Beach, North Carolina with her first calf. Calvinâ?Ts story is not unique. Right whales are Americaâ?Ts urban whales living and traveling in coastal waters that have a high volume of ship traffic, heavy fishing pressure, and significant noise and water pollution. North Atlantic right whales have teetered on the brink of extinction for over a century. Many of the threats to right whales can be reduced with the cooperation of government agencies, fishermen, shippers, and scientists. |
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