New cameras could help protect whales in San Francisco Bay : NPR
Gray whales are showing up in San Francisco Bay, a detour on their long migrations from Mexico to Alaska. They seem to be searching for food, as changing ocean conditions reduce availability of their normal prey in the Arctic. Darrin Allen/The Marine Mammal Center, NOAA hide caption toggle caption Darrin Allen/The Marine Mammal Center, NOAA Gray whales used to be a rare sight in San Francisco Bay. Now, their spouts are appearing off Alcatraz Island in one of the busiest waterways in the country. The whales are making a pit stop on their long migrations from Mexico to Alaska, detouring under the Golden Gate Bridge for a snack as climate change is shrinking their normal food supply in Arctic waters. But as gray whales try to adapt to one human-caused impact by feeding in San Francisco Bay, it’s putting them squarely in the path of another hazard: ships. Of 16 gray whales seen in San Francisco Bay this year, seven have died. Researchers have found evidence that several were killed by ship strikes. With some …









