The number of western monarch butterflies wintering along the California coast has plummeted precipitously to a record low, putting the orange-and-black insects closer to extinction, researchers announced Tuesday.
WSU Researcher Optimistic Monarch Butterfly, Key Pollinator, Adapting To Climate Change, May Avoid Extinction - Columbia Basin Bulletin
Monarch butterfly population moves closer to extinction
Monarch butterflies listed as endangered, population dwindles
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Butterflies
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Monarch butterfly population moves closer to extinction
Monarch butterfly population moves closer to extinction
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