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A marine heat wave caused seabird deaths off California. El Nino could worsen the die-off
https://apnews.com/article/seabirds-marine-heat-wave-deaths-ocean-climate-056b2e8539df2d99d155a95c82ac67ccBy JULIE WATSON
Updated 1:25 PM EDT, July 1, 2026
…
Many seabirds, including California brown pelicans, loons and grebes, starved to death in recent months as record-setting ocean temperatures decreased the band of cold, nutrient-rich surface water where krill, anchovies and sardines thrive near the shore, said Russell, a postdoctoral scholar at the University of California, San Diego, Scripps Institution of Oceanography.
“We’ve been seeing cormorants walk to shore and then just die within the hour. I mean one time it happened within 15 minutes, and I’ve never seen that before,” Russell said. “That has been heartbreaking for me and we’re seeing this happening across the whole coast.”
Scientists fear the die-off could worsen with the recently formed El Nino, the natural warming of parts of the central Pacific that alters weather worldwide and spikes global temperatures.
…
Scripps measures daily ocean temperatures at 10 coastal stations along the California coast, where their records stretch back over a century. This year, saw three stations break records for 40 days or more, said the director Melissa Carter, who runs the program. The samples are taken in a variety of ways, including off piers by dropping an insulated bucket, or by lifeguards in the early morning surf or researchers off rocky shorelines.
…
Updated 1:25 PM EDT, July 1, 2026
…
Many seabirds, including California brown pelicans, loons and grebes, starved to death in recent months as record-setting ocean temperatures decreased the band of cold, nutrient-rich surface water where krill, anchovies and sardines thrive near the shore, said Russell, a postdoctoral scholar at the University of California, San Diego, Scripps Institution of Oceanography.
“We’ve been seeing cormorants walk to shore and then just die within the hour. I mean one time it happened within 15 minutes, and I’ve never seen that before,” Russell said. “That has been heartbreaking for me and we’re seeing this happening across the whole coast.”
Scientists fear the die-off could worsen with the recently formed El Nino, the natural warming of parts of the central Pacific that alters weather worldwide and spikes global temperatures.
…
Scripps measures daily ocean temperatures at 10 coastal stations along the California coast, where their records stretch back over a century. This year, saw three stations break records for 40 days or more, said the director Melissa Carter, who runs the program. The samples are taken in a variety of ways, including off piers by dropping an insulated bucket, or by lifeguards in the early morning surf or researchers off rocky shorelines.
…