In the interest of education, I'm passing on this web site address:

http://www.refdesk.com/index.html

I don't think it has anything on Empidonax identification on it, and it
seems short on nature and the environment, but with its absolutely massive
lists of links, it has the potential to keep one informed about many, many
things. It could probably also be a time sink if you're not careful.

Dennis

Dennis Paulson, Director phone 253-879-3798
Slater Museum of Natural History fax 253-879-3352
University of Puget Sound e-mail dpaulson at ups.edu
Tacoma, WA 98416
http://www.ups.edu/biology/museum/museum.html