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Experts in marine mammals expressed concern over the death of a gray whale whose body was dragged by the current on Monday to a beach in San Francisco.
The body of the whale located in Ocean Beach is the ninth to be discovered in the area of the Bay of San Francisco since last March.
The Center for Marine Mammals plans to perform a necropsy to determine the cause of death of the animal.
According to the center, four individuals died from malnutrition and another three from boat hits. The cause of death of the eighth cetacean has not yet been determined .
Biologists have observed gray whales in poor condition during their annual migration from Mexico to Alaska, the center said. They suspect that the cetaceans have had trouble finding enough food because the warmer conditions of the ocean cause changes in their food supply, which can vary from krill and small crustaceans to smaller fish.
Three species of whales are “in danger”
Three species of whales , including two of the largest in the world, are threatened in Canada, according to a report by a federal government agency published on Monday.
The whales Sei, the fin whales and beaked whales Sowerby are now considered “endangered in Canadian waters , ” the Committee on the Status of Endangered Species in Canada (Cosepaq).
These three species of cetaceans “are threatened by human activity ” because “they become entangled with fishing instruments and are attacked and killed by an increasing number of large vessels,” according to a statement from the agency.
In addition, “the noise caused by ships, naval exercises and current seismic prospecting activities compromise their communication and their survival”.
The Sei whale is considered to be in danger of extinction , and the status of the whale and spur whale populations of Sowerby is “worrisome”, according to the classification of the organization.
In February, the Canadian government announced a series of measures to increase protection of the endangered right whale, including restrictions on fishing grounds and limiting the maximum speed for larger vessels in certain areas of the country. , like the Gulf of San Lorenzo.
In a few months, in the summer of 2017, 12 dead whales were found in the Gulf of San Lorenzo, which housed about a quarter of the last 458 representatives of these cetaceans, among “the most threatened in the world”, of according to a report from the Canadian Wildlife Health Network published in October 2017.
Skeletons were also found along the coast of New England, in the northeastern United States.
“Species do not repair at the borders, the entire world community must work together to counter threats, and no country alone can save these species,” Cosepaq president John Reynolds said in a statement.
The announcement coincides with the publication of a report by the UN group of experts on biodiversity (IPBES), which warns about one million species in danger of extinction, a decrease in biodiversity that will continue unless there is “a profound change” in the patterns of human production and consumption.