FLOWER POWER: A Rufous hummingbird fills up on nectar from one of the many blooming flowers attracting a diversity of hummingbird species during migration in the Chiricahuas of southeastern Arizona.
Hummingbirds Tracked During U.S. Southwest’s “Second Spring”
Monitoring hummingbird populations during the peak of fall migration in the Chiricahua Mountains helps scientists foresee how these primary pollinators of more than 150 U.S. flowering plant species respond to changes in climate
FLOWER POWER: A Rufous hummingbird fills up on nectar from one of the many blooming flowers attracting a diversity of hummingbird species during migration in the Chiricahuas of southeastern Arizona.
by Patricia Despain
Hummingbirds Tracked During U.S. Southwest’s “Second Spring”
Monitoring hummingbird populations during the peak of fall migration in the Chiricahua Mountains helps scientists foresee how these primary pollinators of more than 150 U.S. flowering plant species respond to changes in climate
by David Despain
Scientific American
http://www.scientificamerican.com/slideshow.cfm?id=hummingbirds-tracked-during-us-southwests-second-spring