CreatureData

Blue-gray gnatcatcher

Polioptila caerulea (Linnaeus, 1766)

LCLeast Concernsongbirds

The blue-gray gnatcatcher (Polioptila caerulea) is a species in the family Polioptilidae, order Passeriformes. Recorded adults weigh 5.8 g to 6.4 g and live up to 4.2 years. Its IUCN Red List status is Least Concern.

Blue-gray gnatcatcher (Polioptila caerulea)
Photo: U.S. Fish and Wildlife Service Southeast Region · Public domain · Wikimedia Commons

Quick facts about the blue-gray gnatcatcher

Weight
5.8 g – 6.4 gsrc for Weight
Length
Not recorded
Lifespan
4.2 yearssrc for Lifespan
Diet
Invertivoresrc for Diet
Main food
Not recorded
Habitat
woodlandsrc for Habitat
Egg incubation
14 dayssrc for Egg incubation
Young per litter or clutch
3 – 4.25src for Young per litter or clutch
Age at maturity
10.5 monthssrc for Age at maturity
Litters or clutches a year
2src 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

Photos of the blue-gray gnatcatcher

Only freely licensed photos are shown. Each carries its creator and licence.

Blue-gray gnatcatcher (Polioptila caerulea)
Dawn Beattie from Morro Bay, CA, USA · CC BY 2.0 · Wikimedia Commons

Where does the blue-gray gnatcatcher live?

Not recorded

What is the blue-gray gnatcatcher?

Quoted from WikipediaCC BY-SA 4.0

The blue-gray gnatcatcher (Polioptila caerulea) is a very small gnatcatcher native to North America.

From the Wikipedia article “Blue-gray gnatcatcher” (en.wikipedia.org/w/index.php?title=Blue-gray_gnatcatcher&oldid=1373299778), 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.

What does the blue-gray gnatcatcher sound like?

Jonathon Jongsma · CC BY-SA 3.0 · Wikimedia Commons

Is the blue-gray gnatcatcher endangered?

The blue-gray gnatcatcher 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 blue-gray gnatcatcher classified?

  1. kingdomAnimalia
  2. phylumChordata
  3. classAves
  4. orderPasseriformes
  5. familyPolioptilidae
  6. genusPolioptila
  7. SpeciesPolioptila caerulea (Linnaeus, 1766)

Synonyms Motacilla caerulea, Motacilla grisea

Other names and names in other languages (44)
  • Blue-grey flycatcherEnglish
  • Blue-grey gnatcatcherEnglish
  • Blue-grey gnatcatcherEnglish
  • Blue-grey gnatcatcherEnglish
  • صائِد البَعوض الرَّماديّ الأزرَقArabic
  • صائد البعوض الرمادى الازرقEgyptian Arabic
  • agafamosquits cellanegreCatalan
  • leskot modrošedýCzech
  • Gwybed-ddaliwr LlwydlasWelsh
  • Blågrå SnerresmutteDanish
  • BlaumückenfängerGerman
  • nigrabrova polioptiloEsperanto
  • Perlita azulgrisSpanish
  • Perlita azul-grisSpanish
  • Perlita grisillaSpanish
  • RabuitaSpanish
  • پشهگیر کبودPersian
  • sinisääskikerttuFinnish
  • Gobemoucheron gris-bleuFrench
  • gobemoucherons gris-bleuFrench
  • Ti ChwichwiHaitian Creole
  • ברחשית כחלחלהHebrew
  • siva mušičarkaCroatian
  • kék szúnyogkapóHungarian
  • zanzariere blu-grigioItalian
  • Pigliamoschini grigiazzurroItalian
  • ブユムシクイJapanese
  • melsvasis mašalinukasLithuanian
  • pelēkais odķērājsLatvian
  • Tsʼíʼiiyiyiitsahí łibáhígííNavajo
  • Blauwgrijze MuggenvangerDutch
  • nordmyggsmettNorwegian
  • siwuszka ciemnobrewaPolish
  • caça-mosquitos-azuladoPortuguese
  • Balança-rabo-azul-cinzentoPortuguese
  • balança-rabo-de-sobrancelhasPortuguese
  • Голубая комароловкаRussian
  • sivuška modráSlovak
  • Plavosiva komaricaSerbian
  • svartbrynad myggsnappareSwedish
  • Gökrengi BitkuşuTurkish
  • комароловка сизаUkrainian
  • 灰蓝蚋莺Chinese
  • 灰藍蚋鶯Chinese

Catalogue of LifeWikipediaiNaturalistTAXREFWikidataIUCN Red List

Relatives of the blue-gray gnatcatcher

Other species in the same genus Polioptila.

CompareBlue-gray gnatcatcher vs Tropical gnatcatcherBlue-gray gnatcatcher vs California gnatcatcherBlue-gray gnatcatcher vs Black-tailed gnatcatcherBlue-gray gnatcatcher vs Masked gnatcatcher

Common questions

Answered only where our data holds the answer.

How big is the blue-gray gnatcatcher?

An adult blue-gray gnatcatcher weighs 5.8 g – 6.4 g, according to values recorded on Wikidata.

Is the blue-gray gnatcatcher endangered?

The blue-gray gnatcatcher is listed as Least Concern on the IUCN Red List, meaning it is not currently at risk of extinction.

How long does the blue-gray gnatcatcher live?

The blue-gray gnatcatcher has a recorded lifespan of 4.2 years.

What kind of animal is the blue-gray gnatcatcher?

The blue-gray gnatcatcher (Polioptila caerulea) belongs to the family Polioptilidae in the order Passeriformes.

Sources and how to cite this page

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

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APA

CreatureData. (2026). Blue-gray gnatcatcher (Polioptila caerulea). Retrieved from https://creaturedata.com/animals/blue-gray-gnatcatcher

MLA

“Blue-gray gnatcatcher (Polioptila caerulea).” CreatureData, 2026, https://creaturedata.com/animals/blue-gray-gnatcatcher.

BibTeX
@misc{blue_gray_gnatcatcher_2026,
  title = {Blue-gray gnatcatcher (Polioptila caerulea)},
  author = {{CreatureData}},
  year = {2026},
  url = {https://creaturedata.com/animals/blue-gray-gnatcatcher},
  note = {Data as of 2026-11-11}
}