(Mainly in the
west-coast states and British Columbia).
Empidonax difficilis
Arizona
23 May 2013
©Kendall Watkins
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(Mainly in the
west-coast states and British Columbia). |
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Pacific-slope
Flycatcher Empidonax difficilis |
Cienega Creek Preserve Arizona 23 May 2013 |
by Kendall Watkins ©Kendall Watkins |
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