The original VHS version of this video was published in 1995. I had lots of help then as well
as more recently with the updated digital version. My thanks to the following individuals for their
technical expertise as well as their companionship in the field.
Brian Cassie, Debora Diggins, Jim Dowdell, Patsy Eickelberg, Mark Fairbrother, Shawneen Finnegan,
Dick Forster, Jeff Glassberg, Steve Goldstein, Richard Hildreth, Brian Malcolm, Dave Nunnallee,
Simon Perkins, Chris Phillips, and Guy Tutor.
Mark Abbate and Video Tool Kit ®
Paul Roberts and the staff of Newtonville Camera and Video
Thanks to Greg Dodge of Catbird Productions (www.grdodge.com) for Common Checkered-Skipper footage, Dave
Nunnallee for the Common Roadside-Skipper clip, and Erik Nielsen for Horace's Duskywing image.
With special thanks to Erik Nielsen and Mike Nelson for their advice and expertise on the 2008 online version.