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 ...
University of Delaware29d
Protecting monarch butterflies
Monarch butterflies are among the most beloved insects in North America. They are brightly colored and unique, both as caterpillars and later as mature insects. Monarchs are found in every U.S. state ...
USA Today10d
Monarch butterflies have declined 80% or more in recent decades. Here's how to help
Monarch butterflies have declined 80 percent or more in recent decades Each year, eastern monarchs embark on a migration spanning thousands of miles and multiple generations to overwintering ...
Los Angeles Times7d
California’s monarch butterfly population plummets; fire wipes out Topanga habitat
The Western population of the monarch butterfly has declined to a near-record low with fewer than 10,000 found living in California this winter, a foreboding sign for the future of the beloved ...