43:31 duration 43 minutes 31 seconds
Dr. T. Scott Sillett
Smithsonian’s National Zoo and Conservation Biology Institute“Demographic & behavioral responses of a migratory songbird to climate variation.”
01:00:08 duration 1 hour 0 minutes
Dr. Jose Aguirre
Complutense University of Madrid, Spain “The use of birds as monitoring tools in an increasingly urbanized world: 20 years of European storks and House Sparrows.”