Animalia > Chordata > Aves > Strigiformes > Strigidae > Strix > Strix butleri

Strix butleri (Hume's Owl; Omani Owl)

Synonyms: Asio butleri; Strix omanensis

Wikipedia Abstract

The Omani owl (Strix butleri) is an owl of the genus Strix found in Oman. The owl is the only bird believed to be endemic to Oman.
View Wikipedia Record: Strix butleri

EDGE Analysis

Uniqueness Scale: Similiar (0) 
4
 Unique (100)
Uniqueness & Vulnerability Scale: Similiar & Secure (0) 
23
 Unique & Vulnerable (100)
ED Score: 8.83864
EDGE Score: 2.28632
Learn more at EDGE of Existence programme

Attributes

Adult Weight [1]  217 grams
Female Weight [3]  219 grams
Diet [2]  Carnivore (Invertebrates), Carnivore (Vertebrates)
Diet - Ectothermic [2]  10 %
Diet - Endothermic [2]  80 %
Diet - Invertibrates [2]  10 %
Forages - Mid-High [2]  10 %
Forages - Understory [2]  10 %
Forages - Ground [2]  80 %
Clutch Size [4]  2
Maximum Longevity [5]  15 years
Nocturnal [2]  Yes
Raptor Research Conservation Priority [6]  32
Snout to Vent Length [7]  13 inches (33 cm)

Ecoregions

Protected Areas

Name IUCN Category Area acres Location Species Website Climate Land Use
Dana Wildlife Reserve IV   Jordan  
Harrat al-Harrah Special Nature Reserve IV 3358899 Saudi Arabia  
Khawr Salalah Reserve IV 3091 Oman  
Mujib Nature Reserve Wildlife Reserve IV   Jordan
Wadi Rum Protected Area National Park V   Jordan  

Important Bird Areas

Biodiversity Hotspots

Name Location Endemic Species Website
Eastern Afromontane Burundi, Democratic Republic of Congo, Ethiopia, Eritrea, Kenya, Malawi, Mozambique, Rwanda, Saudi Arabia, Tanzania, Uganda, Yemen, Zimbabwe No
Horn of Africa Djibouti, Ethiopia, Eritrea, Kenya, Oman, Somalia, Yemen No
Japan Japan No
Mediterranean Basin Algeria, Egypt, France, Greece, Israel, Jordan, Lebanon, Libya, Portugal, Spain, Syria, Tunisia, Turkey No

Prey / Diet

Prey / Diet Overlap

Competing SpeciesCommon Prey Count
Asio otus (Long-eared Owl)1
Athene noctua (Little Owl)2
Martes foina (Beech Marten)1
Pseudopus apodus (Armored glass lizard)1
Tyto alba (Barn Owl)1

Range Map

External References

Citations

Attributes / relations provided by
♦ 1Terje Lislevand, Jordi Figuerola, and Tamás Székely. 2007. Avian body sizes in relation to fecundity, mating system, display behavior, and resource sharing. Ecology 88:1605
♦ 2Hamish Wilman, Jonathan Belmaker, Jennifer Simpson, Carolina de la Rosa, Marcelo M. Rivadeneira, and Walter Jetz. 2014. EltonTraits 1.0: Species-level foraging attributes of the world's birds and mammals. Ecology 95:2027
♦ 3König, С. (1991): Zur Taxonomie und Ökologie der Sperlingskäuze (Glaucidium spp.) des Andenraumes. Ökol. Vögel (1) 13: 15-76; Ludwigsburg
♦ 4Jetz W, Sekercioglu CH, Böhning-Gaese K (2008) The Worldwide Variation in Avian Clutch Size across Species and Space PLoS Biol 6(12): e303. doi:10.1371/journal.pbio.0060303
♦ 5Kemp, AC. 1989. Estimation of Biological Indices for Little-known African Owls Meyburg, B.-U & R. D. Chancellor eds. 1989 Raptors in the Modern World WWGBP: Berlin, London & Paris
♦ 6Buechley ER, Santangeli A, Girardello M, et al. Global raptor research and conservation priorities: Tropical raptors fall prey to knowledge gaps. Divers Distrib. 2019;25:856–869. https://doi.org/10.1111/ddi.12901
♦ 7Nathan P. Myhrvold, Elita Baldridge, Benjamin Chan, Dhileep Sivam, Daniel L. Freeman, and S. K. Morgan Ernest. 2015. An amniote life-history database to perform comparative analyses with birds, mammals, and reptiles. Ecology 96:3109
♦ 8Diet of the Omani Owl, Strix butleri, near Nakhal, Oman. Zool. Middle East 62(1): 17–20.
Ecoregions provided by World Wide Fund For Nature (WWF). WildFinder: Online database of species distributions, ver. 01.06 Wildfinder Database
Biodiversity Hotspots provided by Critical Ecosystem Partnership Fund
Abstract provided by DBpedia licensed under a Creative Commons License
Species taxanomy provided by GBIF Secretariat (2022). GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via GBIF.org on 2023-06-13; License: CC BY 4.0