Monarch butterflies in California at critically low level for 2nd

Monarch butterflies wintering in California are at a critically low level.
There were more than 1.2 million monarch butterflies wintering in CA in 1997.
The number of monarch butterflies wintering in California remains at a critically low level, according to a new study.

Monarch butterfly population moves closer to extinction

California's monarch butterflies critically low for 2nd year

Monarch butterflies wintering in California rebound for 2nd year - CBS San Francisco

Monarch butterfly population in California at critically low levels for second year in a row - CBS News

Monarch butterfly population moves closer to extinction

Monarch butterflies wintering in California rebound

Monarchs are on the rise in California. Is the crisis over? - Los Angeles Times

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

California's monarch butterflies critically low for 2nd year

Survey: Western monarch butterfly moving closer to extinction

Lessons from a butterfly basket