Empidonax [difficilis or occidentalis] (Pacific-slope or Cordilleran Flycatcher)

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Pacific-slope or Cordilleran Flycatcher Empidonax [difficilis or occidentalis] (= Empidonax difficilis) Baird, SF, 1858
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Order:
  Passeriformes
Family:
  Tyrannidae
Genus:
  Empidonax

Scientific:
Empidonax difficilis

Citation:
Baird, SF, 1858

Reference:
Rep.Expl.Surv.RR.Pac. 9 p.198

Protonym:
Empidonax difficilis

Avibase ID:
B12B88163F6F5435

Short link:
https://avibase.ca/B12B8816

Taxonomic Serial Number:
TSN: 178348

Geographic range:

Empidonax difficilis difficilis: W North America (se Alaska to n Baja); winters to s Mexico
Empidonax difficilis cineritius: Cape district of Baja California
Empidonax difficilis insulicola: Channel Islands off s California
Empidonax occidentalis occidentalis: Highlands of Mexico
Empidonax occidentalis hellmayri: Woodlands of sw Canada to n Mexico; winters to s Mexico

Source: Clements checklist

English:
  Pacific-slope or Cordilleran Flycatcher
Czech:
  tyranovec západoamerický
German:
  Feuchtwald-Schnäppertyrann
Danish:
  Vestkystempidonax
Spanish:
  Mosquero del Pacífico
Finnish:
  metsäsieppari
French:
  Moucherolle côtier ou M. des ravins
Italian:
  Pigliamosche occidentale
Japanese:
  kinodomejirohaetori
Japanese:
  キノドメジロハエトリ
Dutch:
  Oeverfeetiran
Norwegian:
  Vestempid
Polish:
  empidonka stokowa
Russian:
  Тихоокеанская мухоловка
Slovak:
  pamuchár pobrežný
Swedish:
  Västempid
Chinese:
  北美纹霸鹟

Authorities recognizing this taxonomic concept:

American Ornithologists' Union 3rd edition (1910):
   Western Flycatcher ( Empidonax difficilis) [version 1]
American Ornithologists' Union 3rd edition (incl. 16th suppl.):
   Western Flycatcher ( Empidonax difficilis) [version 1]
American Ornithologists' Union 3rd edition (incl. 17th suppl.):
   Western Flycatcher ( Empidonax difficilis) [version 1]
American Ornithologists' Union 3rd edition (incl. 18th suppl.):
   Western Flycatcher ( Empidonax difficilis) [version 1]
American Ornithologists' Union 4th edition (1931):
   Western Flycatcher ( Empidonax difficilis) [version 1]
American Ornithologists' Union 4th edition (incl. 19th suppl.):
   Western Flycatcher ( Empidonax difficilis) [version 1]
American Ornithologists' Union 4th edition (incl. 20th suppl.):
   Western Flycatcher ( Empidonax difficilis) [version 1]
American Ornithologists' Union 4th edition (incl. 21st suppl.):
   Western Flycatcher ( Empidonax difficilis) [version 1]
American Ornithologists' Union 4th edition (incl. 22nd suppl.):
   Western Flycatcher ( Empidonax difficilis) [version 1]
American Ornithologists' Union 4th edition (incl. 23rd suppl.):
   Western Flycatcher ( Empidonax difficilis) [version 1]
American Ornithologists' Union 4th edition (incl. 24th suppl.):
   Western Flycatcher ( Empidonax difficilis) [version 1]
American Ornithologists' Union 4th edition (incl. 25th suppl.):
   Western Flycatcher ( Empidonax difficilis) [version 1]
American Ornithologists' Union 4th edition (incl. 26th suppl.):
   Western Flycatcher ( Empidonax difficilis) [version 1]
American Ornithologists' Union 4th edition (incl. 27th suppl.):
   Western Flycatcher ( Empidonax difficilis) [version 1]
American Ornithologists' Union 4th edition (incl. 28th suppl.):
   Western Flycatcher ( Empidonax difficilis) [version 1]
American Ornithologists' Union 4th edition (incl. 29th suppl.):
   Western Flycatcher ( Empidonax difficilis) [version 1]
American Ornithologists' Union 4th edition (incl. 30th suppl.):
   Western Flycatcher ( Empidonax difficilis) [version 1]
American Ornithologists' Union 4th edition (incl. 31st suppl.):
   Western Flycatcher ( Empidonax difficilis) [version 1]
American Ornithologists' Union 5th edition (1957):
   Western Flycatcher ( Empidonax difficilis) [version 1]
American Ornithologists' Union 5th edition (incl. 32nd suppl.):
   Western Flycatcher ( Empidonax difficilis) [version 1]
American Ornithologists' Union 5th edition (incl. 33rd suppl.):
   Western Flycatcher ( Empidonax difficilis) [version 1]
American Ornithologists' Union 5th edition (incl. 34th suppl.):
   Western Flycatcher ( Empidonax difficilis) [version 1]
American Ornithologists' Union 6th edition (1983):
   Western Flycatcher ( Empidonax difficilis) [version 1]
American Ornithologists' Union 6th edition (incl. 35th suppl.):
   Western Flycatcher ( Empidonax difficilis) [version 1]
American Ornithologists' Union 6th edition (incl. 36th suppl.):
   Western Flycatcher ( Empidonax difficilis) [version 1]
Avibase taxonomic concepts (current):
   Pacific-slope or Cordilleran Flycatcher ( Empidonax [difficilis or occidentalis])
Avibase taxonomic concepts v. 01 (August 2013):
   Pacific-slope or Cordilleran Flycatcher ( Empidonax [difficilis or occidentalis])
Avibase taxonomic concepts v. 02 (May 2014):
   Pacific-slope or Cordilleran Flycatcher ( Empidonax [difficilis or occidentalis])
Avibase taxonomic concepts v. 03 (March 2015):
   Pacific-slope or Cordilleran Flycatcher ( Empidonax [difficilis or occidentalis])
Avibase taxonomic concepts v. 04 (Aug 2016):
   Pacific-slope or Cordilleran Flycatcher ( Empidonax [difficilis or occidentalis])
Avibase taxonomic concepts v. 05 (Jan 2017):
   Pacific-slope or Cordilleran Flycatcher ( Empidonax [difficilis or occidentalis])
Avibase taxonomic concepts v. 06 (Feb 2018):
   Pacific-slope or Cordilleran Flycatcher ( Empidonax [difficilis or occidentalis])
Clements 1st edition:
   Western Flycatcher ( Empidonax difficilis) [version 1]
Clements 3rd edition:
   Western Flycatcher ( Empidonax difficilis) [version 1]
eBird version 1.50:
   Pacific-slope/Cordilleran Flycatcher (Western) ( Empidonax difficilis/occidentalis)
eBird version 1.52:
   Pacific-slope/Cordilleran Flycatcher (Western) ( Empidonax difficilis/occidentalis)
eBird version 1.53:
   Pacific-slope/Cordilleran Flycatcher (Western Flycatcher) ( Empidonax difficilis/occidentalis)
eBird version 1.54:
   Pacific-slope/Cordilleran Flycatcher (Western Flycatcher) ( Empidonax difficilis/occidentalis)
eBird version 1.55:
   Pacific-slope/Cordilleran Flycatcher (Western Flycatcher) ( Empidonax difficilis/occidentalis)
eBird version 2015:
   Pacific-slope/Cordilleran Flycatcher (Western Flycatcher) ( Empidonax difficilis/occidentalis)
eBird version 2016:
   Pacific-slope/Cordilleran Flycatcher (Western Flycatcher) ( Empidonax difficilis/occidentalis)
eBird version 2017:
   Pacific-slope/Cordilleran Flycatcher (Western Flycatcher) ( Empidonax difficilis/occidentalis)
eBird version 2018:
   Pacific-slope/Cordilleran Flycatcher (Western Flycatcher) ( Empidonax difficilis/occidentalis)
Howard and Moore 2nd edition:
   Western Flycatcher ( Empidonax difficilis) [version 1]
Morony, Bock and Farrand:
   Pacific-slope Flycatcher ( Empidonax difficilis) [version 1]
James Lee Peters:
    Empidonax difficilis [version 1]
James Lee Peters (original):
    Empidonax difficilis [version 1]
James Lee Peters (2nd edition):
    Empidonax difficilis [version 1]

Taxonomic status:

Species status: species group (sometimes a species)

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Related taxa

Other synonyms
Czech: Tyranovec pobrežní, tyranovec západoamerický
Danish: Vestkystempidonax
German: Feuchtwald-Schnäppertyrann, Ufertyrann
English: Cordilleran Flycatcher, Pacific Slope Flycatcher, Pacific-slope Flycatcher, Pacific-slope or Cordilleran Flycatcher, Pacific-slope/Cordilleran Flycatcher (Western Flycatcher), Pacific-slope/Cordilleran Flycatcher (Western), San Lucas flycatcher, Wertern Flycatcher, Western Flycatcher, western yellow-bellied flycatcher
English (IOC): Pacific-slope/Cordilleran Flycatcher (Western Flycatcher)
Spanish: Mosquerito occidental, Mosquero californiano, Mosquero del Pacífico, Mosquero Occidental, Papamoscas Amarillo del Pacífico/Barranqueño
Spanish (Spain): Mosquero del Pacífico/cordillerano
Spanish (HBW): Pacific-slope/Cordilleran Flycatcher (Western Flycatcher)
Spanish (Mexico): Mosquerito occidental, mosquero californiano, Mosquero Occidental, Papamoscas Amarillo del Pacífico/Barranqueño
Estonian: sekvoia-salutikat
Finnish: Metsäsieppari
French: Moucherolle côtier, Moucherolle côtier ou M. des ravins, Moucherolle de l'Ouest, Moucherolle de l'Ouest ou M. des ravins
Hungarian: oregoni légykapó
Icelandic: Hrís-/kjarrgreipur
Italian: Pigliamosche occidentale
Japanese: kinodomejirohaetori, kinodomejirohaetori/rokki-kinodomejirohaetori
Japanese: キノドメジロハエトリ, キノドメジロハエトリ/ロッキーキノドメジロハエトリ
Scientific: Empidonax [difficilis or occidentalis], Empidonax difficilis, Empidonax difficilis difficilis, Empidonax difficilis/occidentalis
Lithuanian: Vakarinis empidonaksas
Dutch: Oeverfeetiran, Oeverfeetiran/Hooglandfeetiran
Norwegian: Vestempid, vestempid/cordilleraempid
Polish: empidonka stokowa
Russian: Тихоокеанская мухоловка
Slovak: pamuchár pobrežný
Swedish: Västempid, västempid/ponderosaempid
Ukrainian: Піві-малюк західний
Chinese: 北美纹霸鹟
Chinese (Traditional): 北美蚊霸鶲