Peoria Audubon Society is a local affiliate of both:
National Audubon Society & Illinois Audubon Society
Photo Gallery: Page 2
In the image below Vern Kleen is taking a number of measurements to of the ruby-throated hummingbird before the banding. Note the hard copy of Aging and Sexing Hummingbirds used as a reference.
Vern Kleen holding hummingbird for banding
Vern Kleen examining hummingbird for banding records
Vern affixing band
Vern with banded hummingbird
For a printable brochure on hummingbird information: More information on Hummingbirds. (pdf)