The Number of Western Monarch Butterflies Is Decreasing. Starting

Western monarch butterflies are a key part of the insect ecosystem, which is why scientists and volunteers are tracking how many are spending the winter in L.A. County.

Monarch butterfly population plummets 86% in one year in California

Monarch butterflies are now endangered, moving closer to extinction - The Washington Post

Western Monarchs — EAC

Discover West Virginia: Where are the Monarchs?

Monarch butterfly population getting closer to extinction - National

Monarch Butterflies Facing Battle For Survival, Experts Say - Texas A&M Today

After Thanksgiving Count, Western Monarch Near Extinction - Bay Nature

The Number of Western Monarch Butterflies Is Decreasing. Starting Today, Angelenos Will Be Out There Looking For Them

March 2021 UPDATE: Western Monarch Butterfly Migration Collapse

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California Outdoors Q&A Are there two populations of monarch butterflies in California?

Monarch butterfly studies tell a perplexing tale, Science