In this video, lead author Chris Clark talks about tail feather love songs in hummingbirds. This video relates to an article that appeared in the Sept. 9, 2011, issue of Science, published by AAAS.

The study, by Dr. C.J. Clark of Yale University in New Haven, Conn., and colleagues was titled, "Aeroelastic Flutter Produces Hummingbird Feather Songs." ...