Monarch butterfly population in Western U.S. nears record 30-year low. Here's what to know.
The number of monarch butterflies spending winter in the western U.S. dropped dramatically this year, despite moves to extend ...
The Western Monarch Butterfly Population Has Plummeted This Winter
The number of monarch butterflies in California is in sharp decline this year. This is the second-lowest population recording ...
Dramatic drop in monarch butterfly count nears record 30-year low
The number of monarch butterflies spending the winter in the western United States dropped dramatically this year even as ...
Monarch butterfly count yields worrisome finding
This winter, volunteers from the Xerces Society, a nonprofit environmental group, tallied just 9,119 western monarchs — a ...
There used to be millions of monarch butterflies in California. Now, they’re in the thousands
Once, millions of monarchs wintered in California. But climate change, habitat loss, widespread pesticide use and disease ...
Butterfly Pavilion partnering with Mexico to protect monarch butterflies
Climate change, deforestation and habitat loss are continuous threats to the beautiful creatures.
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Western Monarch Butterfly Overwintering Population Falls 96 Percent, Second-Lowest Number On Record
We know small populations are especially vulnerable to environmental fluctuations, and we think that’s what happened this ...
California’s monarch butterfly count yields a worrisome finding
A winter count of visiting monarch butterflies found a steep drop from previous years, which has scientists worried about the beloved insect.