Transvolcanic jay
Aphelocoma ultramarina (Bonaparte, 1825)
The transvolcanic jay (Aphelocoma ultramarina) is a species in the family Corvidae, order Passeriformes. Recorded adults weigh 109.9 g to 124 g and live up to 19 years. Its IUCN Red List status is Least Concern.

Quick facts about the transvolcanic jay
- Weight
- 109.9 g – 124 gsrc for Weight
- Length
- Not recorded
- Lifespan
- 19 yearssrc for Lifespan
- Diet
- Omnivoresrc for Diet
- Longest recorded lifespan
- 25 years
- Main food
- Not recorded
- Habitat
- forestsrc for Habitat
- Egg incubation
- 18 dayssrc for Egg incubation
- Young per litter or clutch
- 4.07src for Young per litter or clutch
- Litters or clutches a year
- 1src for Litters or clutches a year
- Lifestyle
- Generalistsrc for Lifestyle
- Migration
- Sedentarysrc for Migration
- Conservation status
- Least Concern (IUCN)src for Conservation status
- Countries on record
- Not recorded
Where does the transvolcanic jay live?
Not recorded
What is the transvolcanic jay?
The Transvolcanic jay (Aphelocoma ultramarina), is a species of bird in the family Corvidae, the crows and jays. It is endemic to Mexico.
From the Wikipedia article “Transvolcanic jay” (en.wikipedia.org/w/index.php?title=Transvolcanic_jay&oldid=1381353485), 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 transvolcanic jay endangered?
The transvolcanic jay 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.
How is the transvolcanic jay classified?
- kingdomAnimalia
- phylumChordata
- classAves
- orderPasseriformes
- familyCorvidae
- genusAphelocoma
- SpeciesAphelocoma ultramarina (Bonaparte, 1825)
Synonyms Corvus ultramarinus
Other names and names in other languages (42)
- Ultramarine jayEnglish
- قيق حزام البركانيArabic
- gaig de bardissa de MèxicCatalan
- sojka mexickáCzech
- sgrech MecsicoWelsh
- Gråbrystet KratskadeDanish
- UltramarinhäherGerman
- GraubrusthäherGerman
- vulkana garoloEsperanto
- Chara MexicanaSpanish
- Chara pecho gris neovolcánicaSpanish
- Chara TransvolcánicaSpanish
- Chara ultramarinaSpanish
- asteegi sininäärEstonian
- vuoripensasnärhiFinnish
- meksikonpensasnärhiFinnish
- Geai des volcansFrench
- Geai-bleu des volcansFrench
- vulkanska šojkaCroatian
- ultramarin szajkóHungarian
- Ghiandaia dei vulcaniItalian
- Ghiandaia del MessicoItalian
- カザンカケスJapanese
- メキシコカケスJapanese
- meksikinis krūmyninis kėkštasLithuanian
- pelēkzilais sīlisLatvian
- Tsintah tsʼánídílzhiʼíNavajo
- Zuid-Mexicaanse GaaiDutch
- gråbrystskrikeNorwegian
- modrowronka meksykańskaPolish
- gaio-dos-vulcõesPortuguese
- gaio-transvulcânicoPortuguese
- Ультрамариновая сойкаRussian
- Мексиканская кустарниковая сойкаRussian
- Ультрамариновая кустарниковая сойкаRussian
- kapuciarka belasáSlovak
- Vulkanska krejaSerbian
- ultramarinskrikaSwedish
- Koyu Mavi KargaTurkish
- сойка мексиканськаUkrainian
- 灰胸丛鸦Chinese
- 灰胸灌叢鴉Chinese
Relatives of the transvolcanic jay
Other species in the same genus Aphelocoma.

Florida scrub jay
Aphelocoma coerulescens

California scrub jay
Aphelocoma californica

Unicolored jay
Aphelocoma unicolor
Island jay
Aphelocoma insularis

Mexican jay
Aphelocoma wollweberi
Woodhouse's jay
Aphelocoma woodhouseii
CompareTransvolcanic jay vs Florida scrub jayTransvolcanic jay vs California scrub jayTransvolcanic jay vs Unicolored jayTransvolcanic jay vs Island jay
Common questions
Answered only where our data holds the answer.
How big is the transvolcanic jay?
An adult transvolcanic jay weighs 109.9 g – 124 g, according to values recorded on Wikidata.
Is the transvolcanic jay endangered?
The transvolcanic jay is listed as Least Concern on the IUCN Red List, meaning it is not currently at risk of extinction.
How long does the transvolcanic jay live?
The transvolcanic jay has a recorded lifespan of 19 years.
What kind of animal is the transvolcanic jay?
The transvolcanic jay (Aphelocoma ultramarina) belongs to the family Corvidae in the order Passeriformes.
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). Transvolcanic jay (Aphelocoma ultramarina). Retrieved from https://creaturedata.com/animals/transvolcanic-jay
“Transvolcanic jay (Aphelocoma ultramarina).” CreatureData, 2026, https://creaturedata.com/animals/transvolcanic-jay.
@misc{transvolcanic_jay_2026,
title = {Transvolcanic jay (Aphelocoma ultramarina)},
author = {{CreatureData}},
year = {2026},
url = {https://creaturedata.com/animals/transvolcanic-jay},
note = {Data as of 2026-11-11}
}