Grey-backed hawk
Pseudastur occidentalis (Salvin, 1876)
The grey-backed hawk (Pseudastur occidentalis) is a species in the family Accipitridae, order Accipitriformes. Recorded adults weigh 626.5 g to 779 g. Its IUCN Red List status is Vulnerable.
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Quick facts about the grey-backed hawk
- Weight
- 626.5 g – 779 gsrc for Weight
- Length
- Not recorded
- Lifespan
- Not recorded
- Diet
- Carnivoresrc for Diet
- Main food
- Not recorded
- Habitat
- forestsrc for Habitat
- Young per litter or clutch
- 1src for Young per litter or clutch
- Lifestyle
- Perchingsrc for Lifestyle
- Migration
- Sedentarysrc for Migration
- Conservation status
- Vulnerable (IUCN)src for Conservation status
- Countries on record
- Not recorded
Where does the grey-backed hawk live?
Not recorded
What is the grey-backed hawk?
The grey-backed hawk (Pseudastur occidentalis) is a Vulnerable species of bird of prey in subfamily Accipitrinae, the "true" hawks, of family Accipitridae. It is found in Ecuador and far northern Peru.
From the Wikipedia article “Grey-backed hawk” (en.wikipedia.org/w/index.php?title=Grey-backed_hawk&oldid=1350886849), 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 grey-backed hawk endangered?
The grey-backed hawk is listed as Vulnerable on the IUCN Red List: it faces a high risk of extinction in the wild.
- 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 Vulnerable species.
How is the grey-backed hawk classified?
- kingdomAnimalia
- phylumChordata
- classAves
- orderAccipitriformes
- familyAccipitridae
- genusPseudastur
- SpeciesPseudastur occidentalis (Salvin, 1876)
Synonyms Leucopternis albicollis occidentalis, Leucopternis occidentalis
Other names and names in other languages (34)
- Gray-backed hawkEnglish
- Gray-backed hawkEnglish
- صقر رمادي الظهرArabic
- aligot cap-ratllatCatalan
- káně západníCzech
- káně ekvádorskáCzech
- Sodrygget VågeDanish
- GraurückenbussardGerman
- grizdorsa buteoEsperanto
- Busardo dorsigrísSpanish
- Gavilán DorsigrisSpanish
- Gavilán dorsigrísSpanish
- ekuadori selvaviuEstonian
- ecuadorinvalkohaukkaFinnish
- ecuadorinviidakkohaukkaFinnish
- Buse à dos grisFrench
- prugastoglavi škanjacCroatian
- tumbesi erdeiölyvHungarian
- Poiana dorsogrigioItalian
- ハイセノスリJapanese
- pilkanugaris keršasis suopisLithuanian
- Salvins Bonte BuizerdDutch
- ecuadorvåkNorwegian
- białostrząb szarogłowyPolish
- bútio-de-dorso-cinzentoPortuguese
- gavião-de-dorso-cinzentoPortuguese
- Сероспинная агуйлаRussian
- Сероспинный пегий канюкRussian
- myšiak čiarkavohlavýSlovak
- Prugastoglavi mišarSerbian
- gråryggig vråkSwedish
- Gri Sırtlı ŞahinTurkish
- канюк сіроголовийUkrainian
- 灰背南美鵟Chinese
Relatives of the grey-backed hawk
Other species in the same genus Pseudastur.
White hawk
Pseudastur albicollis
Mantled hawk
Pseudastur polionotus
CompareGrey-backed hawk vs White hawkGrey-backed hawk vs Mantled hawk
Common questions
Answered only where our data holds the answer.
How big is the grey-backed hawk?
An adult grey-backed hawk weighs 626.5 g – 779 g, according to values recorded on Wikidata.
Is the grey-backed hawk endangered?
The grey-backed hawk is listed as Vulnerable on the IUCN Red List, meaning it faces a high risk of extinction in the wild.
What kind of animal is the grey-backed hawk?
The grey-backed hawk (Pseudastur occidentalis) belongs to the family Accipitridae in the order Accipitriformes.
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). Grey-backed hawk (Pseudastur occidentalis). Retrieved from https://creaturedata.com/animals/grey-backed-hawk
“Grey-backed hawk (Pseudastur occidentalis).” CreatureData, 2026, https://creaturedata.com/animals/grey-backed-hawk.
@misc{grey_backed_hawk_2026,
title = {Grey-backed hawk (Pseudastur occidentalis)},
author = {{CreatureData}},
year = {2026},
url = {https://creaturedata.com/animals/grey-backed-hawk},
note = {Data as of 2026-11-11}
}