I have seen several posts on Ebird for gray flycatcher. The ones with photos are not convincing for gray flycatcher. The id seems to be based on downward tail flicking. This may be the worst field mark for empids, They all flick their tails down. About the only thing that can be said with certainty is if they flick their tails up, they are probably not gray.
-- Norm Erthal
Arvada
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