Analysis of Imperial Woodpecker Film

Painting from the
Auk, 1889; Vol. 15,  No3; p217-223

     Ivorybill investigator Bill Pulliam has posted an analysis of the launch behavior, wing beat rate, and flight mechanics of the 1956 William Rhein imperial woodpecker film. The analysis compares the imperial film with the Luneau ivorybill video with interesting results.  Follow this link and read the report for yourself:    http://bbill.blogspot.com/2011/11/imperial-film.html