And that reason is that I am a hoarder. But that turns out to be fortunate, because I’ve become involved in a project that just so happens to need someone to go sample some birds for them, and I already have all the tools.
In a few weeks a co-conspirator and I will head off to North Carolina and West Virginia to chase three target species:

Kentucky Warbler. Photo by Julio Mulero: www.flickr.com/photos/juliom/