Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: ParaHoxozoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Cladus: Olfactores
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Megaclassis: Osteichthyes
Cladus: Sarcopterygii
Cladus: Rhipidistia
Cladus: Tetrapodomorpha
Cladus: Eotetrapodiformes
Cladus: Elpistostegalia
Superclassis: Tetrapoda
Cladus: Reptiliomorpha
Cladus: Amniota
Cladus: Sauropsida
Cladus: Reptilia
Cladus: Eureptilia
Cladus: Romeriida
Subclassis: Diapsida
Cladus: Neodiapsida
Cladus: Sauria
Cladus: Archelosauria
Cladus: Archosauromorpha
Cladus: Crocopoda
Cladus: Archosauriformes
Cladus: Eucrocopoda
Cladus: Archosauria
Cladus: Avemetatarsalia
Cladus: Ornithodira
Cladus: Dinosauromorpha
Cladus: Dinosauriformes
Cladus: Dracohors
Cladus: Dinosauria
Cladus: Saurischia
Cladus: Theropoda
Cladus: Neotheropoda
Cladus: Averostra
Cladus: Tetanurae
Cladus: Avetheropoda
Cladus: Coelurosauria
Cladus: Tyrannoraptora
Cladus: Maniraptoromorpha
Cladus: Maniraptoriformes
Cladus: Maniraptora
Cladus: Pennaraptora
Cladus: Paraves
Cladus: Eumaniraptora
Cladus: Avialae
Subclassis: Aves
Ordo: Passeriformes
Subordo: Tyranni
Infraordo: Tyrannides
Parvordo: Tyrannida
Familia: Tyrannidae
Genus: Empidonax
Species: E. affinis – E. albigularis – E. alnorum – E. atriceps – E. difficilis – E. flavescens – E. flaviventris – E. fulvifrons – E. hammondii – E. minimus – E. oberholseri – E. occidentalis – E. traillii – E. virescens – E. wrightii
Name
Empidonax Cabanis, 1855
Typus: Platyrhynchos virescens Vieillot, 1818 = Empidonax virescens
References
Cabanis, J. 1855. In: Dr. J.Gundlach's Beiträge zur Ornithologie Cuba's. Nach Mittheilungen des Reisenden an Hr. Bez.– Dir. Sezekorn in Cassel; von Letzterem zusammengestellt. Mit Zusätzen und Anmerkungen geordnet vom Herausgeber. Journal für Ornithologie 3(18): 465–480. DOI: 10.1007/bf02009761 BHLReference page. Original description p. 480 BHL
The genus Empidonax is a group of small insect-eating passerine birds in the tyrant flycatcher family, the Tyrannidae. The genus name Empidonax is from Ancient Greek empis, "gnat", and anax, "master".[1]
Most of these birds are very similar in plumage: olive on the upper parts with light underparts, eye rings and wing bars. In the nesting season they may be distinguished by range, habitat and call; in other situations, particularly on migration and in winter, it may not be possible to be sure of specific identification.
Empidonax flycatchers often flick their wings and tails rapidly.
Euler's flycatcher, Lathrotriccus euleri and gray-breasted flycatcher, Lathrotriccus griseipectus were formerly placed in Empidonax, but differ anatomically and biochemically and are now placed in the genus Lathrotriccus.
Species
The genus contains 15 species:[2]
| Image | Scientific name | Common Name | Distribution |
|---|---|---|---|
 |
Empidonax flaviventris | Yellow-bellied flycatcher | North America, Mexico and Central America |
 |
Empidonax virescens | Acadian flycatcher | eastern United States and southwestern Ontario, eastern Mexico and the Caribbean to southern Central America and the very northwest of South America in Colombia, western Venezuela, and Ecuador |
 |
Empidonax alnorum | Alder flycatcher | Canada and Alaska, descending to a southernmost point in the northeastern United States |
 |
Empidonax traillii | Willow flycatcher | United States and southern Canada |
 |
Empidonax albigularis | White-throated flycatcher | Belize, Costa Rica, El Salvador, Guatemala, Honduras, Mexico, Nicaragua, and Panama. |
 |
Empidonax minimus | Least flycatcher | eastern North America |
 |
Empidonax hammondii | Hammond's flycatcher | western United States, Alaska and Canada |
 |
Empidonax wrightii | American grey flycatcher | western North America, especially the Great Basin. |
 |
Empidonax oberholseri | American dusky flycatcher | southern Arizona and Mexico |
 |
Empidonax affinis | Pine flycatcher | Mexico and southwestern Guatemala. |
 |
Empidonax difficilis | Pacific-slope flycatcher | western North America, including the Pacific Ocean and the southern Gulf of California |
 |
Empidonax occidentalis | Cordilleran flycatcher | California to Alaska |
 |
Empidonax flavescens | Yellowish flycatcher | southeastern Mexico south to western Panama. |
 |
Empidonax fulvifrons | Buff-breasted flycatcher | United States through Mexico to southern Honduras. |
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Empidonax atriceps | Black-capped flycatcher | Costa Rica and western Panama. |
References
Jobling, James A (2010). The Helm Dictionary of Scientific Bird Names. London: Christopher Helm. p. 146. ISBN 978-1-4081-2501-4.
Gill, Frank; Donsker, David, eds. (2019). "Tyrant flycatchers". World Bird List Version 9.2. International Ornithologists' Union. Retrieved 29 June 2019.
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