At 11:26 PM -0700 5/4/98, Michael Price wrote:
>Highlight was a PACIFIC-SLOPE FLYCATCHER Empidonax difficilis alternating
>its conventional hey-you 'psiuweet!' call with a *clearly* CORDILLERAN
>FLYCATCHER E. occidentalis two-note 'su-eeet!' call, with both notes clean
>and well-separated. (snip) What's interesting is
>that there are no records for occidentalis for Vancouver BC, and I don't
>think this bird makes one. So what's going on here?
>
They're not really two species? ;)

Rob Saecker
Olympia