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Monarch Butterflies Now Wear Tiny Tags — for Scientists to Track Them in Real Time

Monarch Butterflies Are on the Decline in California. Here’s Why

Many monarch butterflies sit on a tree branch

How Do You Protect a Species That Lives Across a Continent? Monarch Butterfly Decision May Soon Try

Orange and black-colored butterflies flutter around white-petaled flower plants. The backdrop is the blue sky.

How Record-Breaking Heat Waves Add to Risks for Western Monarch Butterflies

The Bay Area Butterfly Festival Is Happening This Weekend in Vallejo

An elk stand on green grass and a blue sky in the background.

Where to Hike in the Bay Area for the Best Wildlife Encounters

A number of brightly colored monarch butterflies in hues of orange and yellow against a bright blue backdrop

Top Locations to See Monarch Butterflies in California

Only 2,000 Monarch Butterflies Remain in California. But They Still Don’t Have Protection

Just 29,000 Western Monarch Butterflies Are Left in California. That's Down From Millions

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