Long-tailed sylph
Aglaiocercus kingii (R. Lesson, 1832)
The long-tailed sylph (Aglaiocercus kingii) is a species in the family Trochilidae, order Apodiformes. Recorded adults weigh 4.6 g to 5.1 g. Its IUCN Red List status is Least Concern.
Quick facts about the long-tailed sylph
- Weight
- 4.6 g – 5.1 gsrc for Weight
- Length
- Not recorded
- Lifespan
- Not recorded
- Diet
- Nectarivoresrc for Diet
- Main food
- Not recorded
- Habitat
- forestsrc for Habitat
- Young per litter or clutch
- Not recorded
- Lifestyle
- Aerialsrc for Lifestyle
- Migration
- Sedentarysrc for Migration
- Conservation status
- Least Concern (IUCN)src for Conservation status
- Countries on record
- Not recorded
Photos of the long-tailed sylph
Only freely licensed photos are shown. Each carries its creator and licence.
Where does the long-tailed sylph live?
Not recorded
What is the long-tailed sylph?
The long-tailed sylph (Aglaiocercus kingii) is a species of hummingbird in the "coquettes", tribe Lesbiini of subfamily Lesbiinae. It is found in Bolivia, Colombia, Ecuador, Peru, and Venezuela.
From the Wikipedia article “Long-tailed sylph” (en.wikipedia.org/w/index.php?title=Long-tailed_sylph&oldid=1351093521), 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 long-tailed sylph endangered?
The long-tailed sylph is listed as Least Concern on the IUCN Red List: it is not currently at risk of extinction.
- LCLeast Concern
- NTNear Threatened
- VUVulnerable
- ENEndangered
- CRCritically Endangered
- EWExtinct in the Wild
- 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 long-tailed sylph classified?
- kingdomAnimalia
- phylumChordata
- classAves
- orderApodiformes
- familyTrochilidae
- genusAglaiocercus
- SpeciesAglaiocercus kingii (R. Lesson, 1832)
Synonyms Aglaiocercus kingi, Heliangelus zusii, Trochilus kingi
Other names and names in other languages (32)
- سيلف طويل الذيلArabic
- colibrí silf de KingCatalan
- sylfa KingovaCzech
- sylfa dlouhoocasáCzech
- Langhalet SylfideDanish
- HimmelssylpheGerman
- bluvosta silfkolibroEsperanto
- Silfo de KingSpanish
- Colibrí Coludo AzulSpanish
- Cometa verdiazulSpanish
- Silfo de Cola LargaSpanish
- turkoosihännyskolibriFinnish
- Sylphe à queue d'azurFrench
- Sylphe à queue d’azurFrench
- azurnorepi kolibrićCroatian
- fecskekolibriHungarian
- Silfide codalungaItalian
- アオフタオハチドリJapanese
- ilgauodegis silfasLithuanian
- LangstaartnimfDutch
- andessylfeNorwegian
- komecik długosternyPolish
- silfo-rabilongoPortuguese
- silfo-de-cauda-azulPortuguese
- Небесный сильфRussian
- vrchárik zelenýSlovak
- Dugorepi silfa kolibriSerbian
- grönstjärtad sylfSwedish
- Gök Kuyruklu OrmanperisiTurkish
- колібрі-сильф королівськийUkrainian
- 長尾蜂鳥Chinese
- 长尾蜂鸟Chinese
Relatives of the long-tailed sylph
Other species in the same genus Aglaiocercus.
Violet-tailed sylph
Aglaiocercus coelestis
Venezuelan sylph
Aglaiocercus berlepschi
CompareLong-tailed sylph vs Violet-tailed sylphLong-tailed sylph vs Venezuelan sylph
Common questions
Answered only where our data holds the answer.
How big is the long-tailed sylph?
An adult long-tailed sylph weighs 4.6 g – 5.1 g, according to values recorded on Wikidata.
Is the long-tailed sylph endangered?
The long-tailed sylph is listed as Least Concern on the IUCN Red List, meaning it is not currently at risk of extinction.
What kind of animal is the long-tailed sylph?
The long-tailed sylph (Aglaiocercus kingii) belongs to the family Trochilidae in the order Apodiformes.
Sources and how to cite this page
Data as of 2026-11-11. How this page is put together.
- An amniote life-history database to perform comparative analyses with birds, mammals, and reptiles · CC0 1.0 · E096-269
Myhrvold, N.P., Baldridge, E., Chan, B., Sivam, D., Freeman, D.L. & Ernest, S.K.M. (2015) An amniote life-history database to perform comparative analyses with birds, mammals, and reptiles. Ecology 96: 3109. https://doi.org/10.1890/15-0846R.1. Data: https://doi.org/10.6084/m9.figshare.3563457.v1 - AVONET: morphological, ecological and geographical data for all birds · CC BY 4.0 · v7
Tobias, J.A. et al. (2022) AVONET: morphological, ecological and geographical data for all birds. Ecology Letters 25: 581–597. https://doi.org/10.1111/ele.13898. Data: https://doi.org/10.6084/m9.figshare.16586228.v7 - Catalogue of Life eXtended Release · CC BY 4.0 · 2026-10-16 XR
Catalogue of Life (2026). Catalogue of Life eXtended Release, version 2026-10-16 XR. Catalogue of Life Foundation, Amsterdam, Netherlands. https://doi.org/10.48580/dgzlf - Wikimedia Commons · per file (CC0 / public domain / CC BY green, CC BY-SA amber, anything else not displayed) · 2026-11-11
Wikimedia Commons contributors. Wikimedia Commons. https://commons.wikimedia.org (each file credited to its author under its own licence). - Wikidata · CC0 1.0 · 2026-11-11
Wikidata contributors. Wikidata. https://www.wikidata.org (data retrieved via the Wikidata Query Service). - Wikipedia (English) · CC BY-SA 4.0 · 2026-11-11
Wikipedia contributors. Wikipedia, The Free Encyclopedia. https://en.wikipedia.org (text under CC BY-SA 4.0; each block names its article and revision).
Embed a card for this animal on your own site
Copy this code. The card shows the photo with its credit, key facts and a link back to this page.
CreatureData. (2026). Long-tailed sylph (Aglaiocercus kingii). Retrieved from https://creaturedata.com/animals/long-tailed-sylph
“Long-tailed sylph (Aglaiocercus kingii).” CreatureData, 2026, https://creaturedata.com/animals/long-tailed-sylph.
@misc{long_tailed_sylph_2026,
title = {Long-tailed sylph (Aglaiocercus kingii)},
author = {{CreatureData}},
year = {2026},
url = {https://creaturedata.com/animals/long-tailed-sylph},
note = {Data as of 2026-11-11}
}