NBC News: Six dead gray whales found in San Francisco Bay area in the last week
Published by NBC News: May 29, 2025
Six dead gray whales have been found in the area of San Francisco Bay over the last week, officials said Wednesday, in a year when there has been an unusually high number of sightings in the area.
“Why not only are there so many deceased whales in the region, but why has it been a banner year of having more sightings in San Francisco Bay of live whales than we have seen in at least two-plus decades, if ever?”
The gray whales were found dead from May 21 to Wednesday, when one was found washed ashore at Point Reyes National Seashore, the California Academy of Sciences said.
On Monday, two were found the same day — one on Alcatraz and one at Point Bonita, it said.
In most of the cases, no necropsy, which is like an autopsy for an animal, was performed. The partial necropsy for a yearling gray whale found at Bolinas was inconclusive, and results from the necropsy on the whale found Wednesday are pending, the academy said.
The whales have died as an unusually large number of them have been spotted in San Francisco Bay, officials said.
Why the whales died was not clear.
“That is the open question, the why,” Giancarlo Rulli, a spokesperson for the Marine Mammal Center in Sausalito, told NBC Bay Area this week.
“Why not only are there so many deceased whales in the region, but why has it been a banner year of having more sightings in San Francisco Bay of live whales than we have seen in at least two-plus decades, if ever?”
So far this year 14 gray whales and a minke whale have died in the greater San Francisco Bay Area, the academy said, and the deaths of three of them were found to be from boat strikes.
More gray whales have been sighted in the bay this year compared with last, it said — 33, compared with only six in 2024.
Some have looked normal and others emaciated, it said.
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