I have posted my working model for sorting "coastal sooty"
Fox Sparrows.

http://columbia-pacific.interrain.org/ahscience/neawanna/fosp_model.html

All recent photos of captured birds are available at:
http://columbia-pacific.interrain.org/ahscience/neawanna/fosp.html

--
Mike Patterson Alas, to wear the mantle of Galileo,
Astoria, OR it is not enough to be persecuted
celata at pacifier.com by an unkind establishment,
you must also be right.
---Robert Park
http://www.pacifier.com/~mpatters/bird/bird.html