Empidonax difficilis Pacific Slope Flycatcher ID: 0000 0000 0612 0396 [detail] © 2012 Ron Wolf	Empidonax difficilis Pacific Slope Flycatcher ID: 0000 0000 0612 0397 [detail] © 2012 Ron Wolf	Empidonax difficilis Pacific-slope Flycatcher ID: 0000 0000 0714 0124 [detail] © 2014 Steve Scholl	Empidonax difficilis Pacific-slope Flycatcher ID: 0000 0000 0714 0125 [detail] © 2014 Steve Scholl
Empidonax difficilis Pacific Slope Flycatcher ID: 0000 0000 0709 1327 [detail] © Sam Stewart 2009

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