parks
Unusual dragonfly swarms sweep across California after warm spring rains
Summary by The San Francisco Editorial Desk · Byline on the source page: Olga R. Rodriguez | The Associated Press , as published by NBC Bay Area (KNTV, NBC)
· August 25, 2026
· 1 min read
Photo: NBC Bay Area (KNTV, NBC) · view original
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Summary created by The San Francisco Editorial Desk — automated, rule-governed Byline on source page Olga R. Rodriguez | The Associated Press, as published by NBC Bay Area (KNTV, NBC) Original story Read at the source Source published Aug 25, 2026 Indexed here Aug 25, 2026 AI assistance Automated summary drawn from the source’s own published text Prepublication human review No — editorial rules, flagged-item review, and published samples
Every story comes with a passport. How we work · Corrections log · Publisher’s note
Key points Sightings have been described as impressive, with one observer reporting around 100 dragonflies flying together. A notable increase in dragonfly sightings has been reported.
A notable increase in dragonfly sightings has been reported. Experts believe warm spring rains may have contributed to this phenomenon. People are seeing large groups of dragonflies in various areas, including near bodies of water and agricultural lands.
Sightings have been described as impressive, with one observer reporting around 100 dragonflies flying together. This observer, a nursery owner, first noticed the dragonflies while walking his dog and later saw them near a lake.
Further details about this phenomenon are available, including comments from people who have also seen the dragonflies in large numbers.
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NBC Bay Area (KNTV, NBC) reported and published this story. The San Francisco selected it, summarised the key facts above, and links to the original. We did not report this story and we added no reporting of our own to it.
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Category: parks ·
Published: August 25, 2026 ·
Source: NBC Bay Area (KNTV, NBC) ·
Reading time: 1 min
Frequently asked about this story
What is this story about? A notable increase in dragonfly sightings has been reported. Experts believe warm spring rains may have contributed to this phenomenon. People are seeing large groups of dragonflies in various areas…
When was this published? This article was first published on August 25, 2026 by NBC Bay Area (KNTV, NBC) and curated for The San Francisco readers.
Who reported this story? This story was reported by Olga R. Rodriguez | The Associated Press at NBC Bay Area (KNTV, NBC). To learn more about how The San Francisco selects and reviews stories, see our editorial standards .
Where can I find related coverage? See more parks coverage from The San Francisco, or browse our daily briefing and topic hubs .
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