What Is Really Killing Monarch Butterflies?

Contact: Andy Davis, [email protected]

Assistant Research Scientist Andy Davis is featured in a story in Scientific American exploring the debate about what’s behind declines in monarch butterfly populations at their overwintering sites in Mexico.

What Is Really Killing Monarch Butterflies?
Some scientists suspect that Roundup and milkweed loss aren’t the only culprits
By Gabriel Popkin
Scientific American (subscription required)
March 1, 2020