Whale found on San Leandro shore was likely struck by boat

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SAN FRANCISCO (KRON) — Scientists with the California Academy of Sciences and The Marine Mammal Center mentioned a juvenile grey whale that washed ashore close to the San Leandro Marina final week likely died from accidents sustained in a vessel strike.

In a necropsy performed Saturday, scientists recognized a number of areas of hemorrhage found within the comfortable tissue across the whale’s eye, decrease jaw, and shoulder indicating blunt drive trauma that occurred whereas the whale was alive. In addition, they famous severed tail flukes and propeller lacerations alongside the physique of the whale per vessel collision.

“This specific gray whale incident puts into perspective the added challenges that human activity poses for a species that has lost nearly 40 percent of its population since 2019,” mentioned Dr. Jeff Boehm of The Marine Mammal Center.

According to the National Oceanic and Atmospheric Administration, the variety of grey whales migrating alongside the West Coast has dropped 38 % because the final inhabitants evaluation in 2016.

“Gray whales from Baja California to Alaska have been undergoing what’s known as an Unusual Mortality Event” mentioned Moe Flannery of California Academy of Sciences. “This means it’s more important than ever that we respond to strandings such as the one that occurred this past week to learn as much as we can about the threats these animals are facing.”

CAS researchers repeatedly reply to stranding occasions all through the Bay Area to conduct necropsies. Malnutrition, entanglement, and trauma from vessel strikes are the commonest causes of loss of life in whales.

It is crucial for boaters and folks on the water to maintain a secure distance from whales, researchers mentioned. All marine mammals are federally protected.

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