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  1. Richard Klim

    Western Flycatcher

    Channel Islands Flycatcher Alvaro Jaramillo, NBHC ID-FRONTIERS, 25 Nov 2015... Andrew Rush, NBHC ID-FRONTIERS, 25 Nov 2015... Andrew Rush, NBHC ID-FRONTIERS, 25 Nov 2015... Channel Islands Flycatcher Empidonax (difficilis) insulicola is also identified as a possible species by Monroe &...
  2. Richard Klim

    Western Flycatcher

    Douglas Futuyma, NYSbirds, 21 Nov 2015... Andrew Rush, NBHC ID-FRONTIERS, 22 Nov 2015... Farnsworth & Lebbin 2004 (HBW 9): Cordilleran Flycatcher (Empidonax occidentalis) Pacific-slope Flycatcher (Empidonax difficilis)
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