CreatureData

Alder flycatcher

Empidonax alnorum Brewster, 1895

LCLeast Concernsongbirds

The alder flycatcher (Empidonax alnorum) is a species in the family Tyrannidae, order Passeriformes. Recorded adults weigh 12.7 g to 13.5 g and live up to 7.2 years. Its IUCN Red List status is Least Concern.

Alder flycatcher (Empidonax alnorum)
Photo: Cephas · CC BY-SA 3.0 · Wikimedia Commons

Quick facts about the alder flycatcher

Weight
12.7 g – 13.5 gsrc for Weight
Length
Not recorded
Lifespan
7.2 yearssrc for Lifespan
Diet
Invertivoresrc for Diet
Longest recorded lifespan
9.08 years
Main food
Not recorded
Habitat
shrublandsrc for Habitat
Egg incubation
13.5 dayssrc for Egg incubation
Young per litter or clutch
3.5src for Young per litter or clutch
Age at maturity
12 monthssrc for Age at maturity
Litters or clutches a year
1src for Litters or clutches a year
Lifestyle
Perchingsrc for Lifestyle
Migration
Migratorysrc for Migration
Conservation status
Least Concern (IUCN)src for Conservation status
Countries on record
Not recorded

Which animals does the alder flycatcher eat?

Species recorded in published studies and collections.

Recorded prey of the alder flycatcher

4 on record

  1. Ursine Spurleg Brachiacantha ursina2 sources
  2. Black and red sumac leaf beetle Cryptocephalus quadruplex2 sources
  3. Venus Cryptocephalus Cryptocephalus venustus2 sources
  4. Bumble flower beetle Euphoria inda2 sources

Each pair is recorded by at least two independent datasets. A record shows the animal was seen or found to have eaten the other, including scavenged carcasses and young animals; it does not say how often. Compiled by Global Biotic Interactions (CC0 1.0).

References for these records
  • Rowan L. K. French (Expert)
  • Beal, F. E. L. 1912. Food of our more important flycatchers. U.S. Department of Agriculture, Biological Survey Bulletin No. 44.

Where does the alder flycatcher live?

Not recorded

What is the alder flycatcher?

Quoted from WikipediaCC BY-SA 4.0

The alder flycatcher (Empidonax alnorum) is a small insect-eating bird in the tyrant flycatcher family. The genus name Empidonax is from Ancient Greek empis, "gnat", and anax, "master". The specific alnorum is Latin and means "of the alders".

From the Wikipedia article “Alder flycatcher” (en.wikipedia.org/w/index.php?title=Alder_flycatcher&oldid=1380650515), by Wikipedia contributors, licensed under CC BY-SA 4.0 (creativecommons.org/licenses/by-sa/4.0). This block is kept separate from our own text.

Is the alder flycatcher endangered?

The alder flycatcher is listed as Least Concern on the IUCN Red List: it is not currently at risk of extinction.

  1. LCLeast Concern
  2. NTNear Threatened
  3. VUVulnerable
  4. ENEndangered
  5. CRCritically Endangered
  6. EWExtinct in the Wild
  7. EXExtinct

Category via Wikidata (CC0). Find the full assessment on the IUCN Red List. See all Least Concern species. What the categories mean.

How is the alder flycatcher classified?

  1. kingdomAnimalia
  2. phylumChordata
  3. classAves
  4. orderPasseriformes
  5. familyTyrannidae
  6. genusEmpidonax
  7. SpeciesEmpidonax alnorum Brewster, 1895

Synonyms Empidonax traillii alascensis, Empidonax traillii alnorum

Other names and names in other languages (43)
  • Short-legged peweeEnglish
  • Traill's flycatcherEnglish
  • mosquer dels vernsCatalan
  • tyranovec olšovýCzech
  • gwybedog y gwernWelsh
  • ElleempidonaxDanish
  • Elle-empidonaxDanish
  • ErlenschnäppertyrannGerman
  • ErlentyrannGerman
  • alna muŝtiranoEsperanto
  • Mosquero aileroSpanish
  • mosquerito de charralSpanish
  • Mosquero aliseroSpanish
  • Mosqueta borealSpanish
  • Papamoscas AileroSpanish
  • lepa-salutikatEstonian
  • leppäsieppariFinnish
  • Moucherolle des aulnesFrench
  • Cuilire fearnóigeIrish
  • חטפית האלמוןHebrew
  • johov muharCroatian
  • égertirannuszHungarian
  • ElrigreipurIcelandic
  • Tiranno degli ontaniItalian
  • キタメジロハエトリJapanese
  • alksninis empidonaksasLithuanian
  • alkšņu tirāniņšLatvian
  • ElzenfeetiranDutch
  • oreempidNorwegian
  • empidonka olchowaPolish
  • caça-moscas-dos-amieirosPortuguese
  • Papa-Moscas-de-AlderPortuguese
  • Papa-moscas-dos-amieirosPortuguese
  • papa-mosquitos-dos-amieirosPortuguese
  • Лесной мухоловRussian
  • Лесной эмпидонаксRussian
  • pamuchár jelšovýSlovak
  • Jasikova muharkaSerbian
  • alempidSwedish
  • Kızılağaç SinekkapanıTurkish
  • піві-малюк вільховийUkrainian
  • 桤木纹霸鹟Chinese
  • 赤楊蚊霸鶲Chinese

Catalogue of LifeWikipediaiNaturalistTAXREFWikidataWoRMSIUCN Red List

Relatives of the alder flycatcher

Other species in the same genus Empidonax.

CompareAlder flycatcher vs Yellowish flycatcherAlder flycatcher vs Acadian flycatcherAlder flycatcher vs Yellow-bellied flycatcherAlder flycatcher vs Pine flycatcher

Common questions

Answered only where our data holds the answer.

How big is the alder flycatcher?

An adult alder flycatcher weighs 12.7 g – 13.5 g, according to values recorded on Wikidata.

Is the alder flycatcher endangered?

The alder flycatcher is listed as Least Concern on the IUCN Red List, meaning it is not currently at risk of extinction.

How long does the alder flycatcher live?

The alder flycatcher has a recorded lifespan of 7.2 years.

What kind of animal is the alder flycatcher?

The alder flycatcher (Empidonax alnorum) belongs to the family Tyrannidae in the order Passeriformes.

Which animals does the alder flycatcher eat?

Animals recorded as prey of the alder flycatcher include ursine spurleg, black and red sumac leaf beetle, venus cryptocephalus and bumble flower beetle. The records are compiled by Global Biotic Interactions from published studies; each pair is reported by at least two datasets.

Sources and how to cite this page

Data as of 2026-11-14. How this page is put together.

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APA

CreatureData. (2026). Alder flycatcher (Empidonax alnorum). Retrieved from https://creaturedata.com/animals/alder-flycatcher

MLA

“Alder flycatcher (Empidonax alnorum).” CreatureData, 2026, https://creaturedata.com/animals/alder-flycatcher.

BibTeX
@misc{alder_flycatcher_2026,
  title = {Alder flycatcher (Empidonax alnorum)},
  author = {{CreatureData}},
  year = {2026},
  url = {https://creaturedata.com/animals/alder-flycatcher},
  note = {Data as of 2026-11-14}
}