Monarch Butterflies Noah Adams talks with Sue Halpern, author of Four Wings and a Prayer: Caught in the Mystery of the Monarch Butterfly, about trip, following the migration of the monarchs from Canada to Mexico. (5:30) The book is published by Pantheon, May 2001.

Monarch Butterflies

Only Available in Archive Formats.

Real Media

Monarch Butterflies

Monarch Butterflies

June 21, 200112:00 AM ET

Heard on All Things Considered

Monarch Butterflies

Only Available in Archive Formats.

Real Media

Noah Adams talks with Sue Halpern, author of Four Wings and a Prayer: Caught in the Mystery of the Monarch Butterfly, about trip, following the migration of the monarchs from Canada to Mexico. (5:30) The book is published by Pantheon, May 2001.