Eastern grass owl
Tyto longimembris (Jerdon, 1839)
The eastern grass owl (Tyto longimembris) is a species in the family Tytonidae, order Strigiformes. Recorded adults weigh about 423.5 g. Source checklists list it for 1 country: Australia. Its IUCN Red List status is Least Concern.

Quick facts about the eastern grass owl
- Weight
- 423.5 gsrc for Weight
- Length
- Not recorded
- Lifespan
- Not recorded
- Diet
- Carnivoresrc for Diet
- Main food
- Not recorded
- Habitat
- grasslandsrc for Habitat
- Young per litter or clutch
- 4.9src for Young per litter or clutch
- Lifestyle
- Aerialsrc for Lifestyle
- Migration
- Sedentarysrc for Migration
- Conservation status
- Least Concern (IUCN)src for Conservation status
- Countries on record
- 1 countrysrc for Countries on record
Where does the eastern grass owl live?
Countries where Catalogue of Life checklists list the species. Many checklists carry no country data, so the list is often incomplete. It is not a range map.
The eastern grass owl is listed for 1 country.
- Listed
- Not listed
The same countries as a list
Listed by: ITIS (scope: global), through the Catalogue of Life.
What is the eastern grass owl?
The eastern grass owl (Tyto longimembris), also known as Chinese grass owl or Australasian grass owl, is a species of owl in the family Tytonidae. They feed predominantly on small rodents.
Though some authorities consider this owl to be conspecific with the African grass owl, T. capensis, other consider it to be a valid species.
From the Wikipedia article “Eastern grass owl” (en.wikipedia.org/w/index.php?title=Eastern_grass_owl&oldid=1344410142), 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 eastern grass owl endangered?
The eastern grass owl 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 eastern grass owl classified?
- kingdomAnimalia
- phylumChordata
- classAves
- orderStrigiformes
- familyTytonidae
- genusTyto
- SpeciesTyto longimembris (Jerdon, 1839)
Synonyms Aluco longimembris, Strix candida, Strix longimembris, Strix oustaleti, Tyto longimembris oustaleti
Other names and names in other languages (52)
- Australasian grass-owlEnglish
- Eastern grass-owlEnglish
- Eastern grass-owlEnglish
- Eastern grass-owlEnglish
- بومة أعشاب شرقيةArabic
- بومة الأعشاب الشرقيةArabic
- Otluq şərq alabayquşuAzerbaijani
- Източна забулена соваBulgarian
- òliba camallarga orientalCatalan
- sova proměnliváCzech
- sova zlatočernáCzech
- GræsslørugleDanish
- GraseuleGerman
- Östliche GraseuleGerman
- longkrura turstrigoEsperanto
- Lechuza patilargaSpanish
- padu-loorkakkEstonian
- aasianruohopöllöFinnish
- Effraie de prairieFrench
- travnjačka kukuvijaCroatian
- hosszúszárnyú gyöngybagolyHungarian
- Serak padangIndonesian
- Barbagianni australasiaticoItalian
- Barbagianni delle erbe orientaleItalian
- ヒガシメンフクロウJapanese
- julunybarrkgs
- 가면올빼미Korean
- rytinė liepsnotoji pelėdaLithuanian
- പുൽമൂങ്ങMalayalam
- Burung Hantu RumputMalay
- Chooyééł Dineʼé Bikéyahdę́ę́ʼ biniiʼłigaiiNavajo
- घाँसे लाटोकोसेरोNepali
- Aziatische GrasuilDutch
- engslørugleNorwegian
- płomykówka długonogaPolish
- coruja-do-capimPortuguese
- coruja-das-ervasPortuguese
- Травяная сипухаRussian
- Восточная травяная сипухаRussian
- Травяная восточная сипухаRussian
- plamienka dlhonoháSlovak
- Australazijska livadska kukuvijaSerbian
- orientgräsugglaSwedish
- นกแสกทุ่งหญ้าThai
- Doğu Çayır BaykuşuTurkish
- Doğu peçeli baykuşuTurkish
- сипуха східнаUkrainian
- Cú lợn đồng cỏ châu ÚcVietnamese
- 草鴞Chinese
- 東方草鴞Chinese
- 草鴞〔東方草鴞〕Chinese
- 草鸮Chinese
Catalogue of LifeWikipediaiNaturalistTAXREFWikidataIUCN Red List
Relatives of the eastern grass owl
Other species in the same genus Tyto.

Western barn owl
Tyto alba

African grass owl
Tyto capensis

Australian masked owl
Tyto novaehollandiae

Ashy-faced owl
Tyto glaucops

Red owl
Tyto soumagnei

Lesser sooty owl
Tyto multipunctata
CompareEastern grass owl vs Western barn owlEastern grass owl vs African grass owlEastern grass owl vs Australian masked owlEastern grass owl vs Ashy-faced owl
Common questions
Answered only where our data holds the answer.
How big is the eastern grass owl?
An adult eastern grass owl weighs 423.5 g, according to values recorded on Wikidata.
Where does the eastern grass owl live?
Catalogue of Life checklists list the eastern grass owl for 1 country: Australia. Checklist coverage is uneven, so the true range may be wider.
Is the eastern grass owl endangered?
The eastern grass owl 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 eastern grass owl?
The eastern grass owl (Tyto longimembris) belongs to the family Tytonidae in the order Strigiformes.
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).
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Copy this code. The card shows the photo with its credit, key facts and a link back to this page.
CreatureData. (2026). Eastern grass owl (Tyto longimembris). Retrieved from https://creaturedata.com/animals/eastern-grass-owl
“Eastern grass owl (Tyto longimembris).” CreatureData, 2026, https://creaturedata.com/animals/eastern-grass-owl.
@misc{eastern_grass_owl_2026,
title = {Eastern grass owl (Tyto longimembris)},
author = {{CreatureData}},
year = {2026},
url = {https://creaturedata.com/animals/eastern-grass-owl},
note = {Data as of 2026-11-11}
}