Twice a year, billions of birds migrate thousands of miles in rhythm with the seasons. How do they know when to start migrating? How far can individual birds travel? Join Portland State University ornithologist Michael Murphy as he describes how modern technology is catching up with bird migration and helping us understand the forces behind these incredible journeys.
Extreme Migrations is a part of the Darwin Conversations series at the Museum of Natural and Cultural History. Learn more at natural-history.uoregon.edu.