Animalia > Chordata > Aves > Strigiformes > Strigidae > Asio > Asio otus

Asio otus (Long-eared Owl)

Synonyms: Asio vulgaris; Strix otus (homotypic)
Language: French; Spanish

Wikipedia Abstract

The long-eared owl (Asio otus, previously Strix otus) is a species of owl which breeds in Europe, Asia, and North America. This species is a part of the larger grouping of owls known as typical owls, family Strigidae, which contains most species of owl. The other grouping of owls are the barn owls, family Tytonidae. The scientific name is from Latin. The genus name Asio is a type of eared owl, and otus also refers to a small eared owl.
View Wikipedia Record: Asio otus

Infraspecies

Asio otus canariensis (Canary Island long-eared owl)
Asio otus otus (Long-eared owl)
Asio otus tuftsi (Long-eared owl)
Asio otus wilsonianus (American long-eared owl)

EDGE Analysis

Uniqueness Scale: Similiar (0) 
4
 Unique (100)
Uniqueness & Vulnerability Scale: Similiar & Secure (0) 
24
 Unique & Vulnerable (100)
ED Score: 8.97927
EDGE Score: 2.30051
Learn more at EDGE of Existence programme

Attributes

Adult Weight [1]  255 grams
Birth Weight [3]  17 grams
Female Weight [6]  337 grams
Male Weight [6]  261 grams
Weight Dimorphism [6]  29.1 %
Breeding Habitat [2]  Forests
Wintering Geography [2]  Widespread U.S.
Wintering Habitat [2]  Forests
Diet [4]  Carnivore (Vertebrates)
Diet - Endothermic [4]  100 %
Forages - Mid-High [4]  10 %
Forages - Understory [4]  10 %
Forages - Ground [4]  80 %
Clutch Size [7]  6
Clutches / Year [3]  1
Fledging [5]  34 days
Global Population (2017 est.) [2]  480,000
Incubation [3]  27 days
Mating Display [8]  Non-acrobatic aerial display
Mating System [8]  Monogamy
Maximum Longevity [3]  28 years
Nocturnal [9]  Yes
Raptor Research Conservation Priority [10]  153
Snout to Vent Length [5]  15 inches (38 cm)
Wing Span [11]  37 inches (.95 m)
Female Maturity [3]  1 year
Male Maturity [3]  1 year

Ecoregions

Protected Areas

+ Click for partial list (100)Full list (446)

Ecosystems

Biodiversity Hotspots

Prey / Diet

Prey / Diet Overlap

+ Click for partial list (59)Full list (103)

Predators

Accipiter cooperii (Cooper's Hawk)[20]
Accipiter gentilis (Northern Goshawk)[20]
Aquila chrysaetos (Golden Eagle)[20]

Providers

Shelter 
Abies clanbrassiliana (Norway spruce)[12]
Fagus sylvatica (European beech)[12]
Pica pica (Eurasian Magpie)[12]

Consumers

Range Map

External References

NatureServe Explorer

Audio

Play / PauseVolume
Provided by Center for Biological Diversity via Myxer Author: The Barn Owl Centre of Gloucestershire

Citations

Attributes / relations provided by
♦ 1Storchová, Lenka; Hořák, David (2018), Data from: Life-history characteristics of European birds, Dryad, Dataset, https://doi.org/10.5061/dryad.n6k3n
♦ 2Partners in Flight Avian Conservation Assessment Database, version 2017. Accessed on January 2018.
♦ 3de Magalhaes, J. P., and Costa, J. (2009) A database of vertebrate longevity records and their relation to other life-history traits. Journal of Evolutionary Biology 22(8):1770-1774
♦ 4Hamish 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
♦ 5Nathan 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
♦ 6Marks, JS; Evans, DS; Holt, DW 1994. Long-eared Owl (Asio otus), In: Poole, A.; Gill, F., eds. The birds of North America, No. 133. Philadelphia, PA: The Academy of Natural Sciences; Washington, DC: The American Ornithologists' Union
♦ 7Jetz 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
♦ 8Terje Lislevand, Jordi Figuerola, and Tamás Székely. 2007. Avian body sizes in relation to fecundity, mating system, display behavior, and resource sharing. Ecology 88:1605
♦ 9Myers, P., R. Espinosa, C. S. Parr, T. Jones, G. S. Hammond, and T. A. Dewey. 2006. The Animal Diversity Web (online). Accessed February 01, 2010 at animaldiversity.org
♦ 10Buechley 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
♦ 11British Trust for Ornithology
♦ 12Ecology of Commanster
♦ 13DIET COMPOSITION OF THE LONG-EARED OWL IN SLOVENIA: SEASONAL VARIATION IN PREY USE, DAVORIN TOME, J Raptor Res. 28(4):253-258
♦ 14Barbastella barbastellus, Jens Rydell and Wiesław Bogdanowicz, MAMMALIAN SPECIES No. 557, pp. 1-8 (1997)
♦ 15Blarina brevicauda, Sarah B. George, Jerry R. Choate, and Hugh H. Genoways, MAMMALIAN SPECIES No. 261, pp. 1-9 (1986)
♦ 16Blarina carolinensis, Timothy S. McCay, MAMMALIAN SPECIES No. 673, pp. 1–7 (2001)
♦ 17SPECIES ASSESSMENT FOR PYGMY RABBIT (BRACHYLAGUS IDAHOENSIS) IN WYOMING, DOUGLAS A. KEINATH AND MATTHEW MCGEE, United States Department of the Interior Bureau of Land Management Wyoming State Office Cheyenne, Wyoming (2004)
♦ 18Raptor Predation on Wintering Shorebirds, G. Page and D. F. Whitacre, The Condor, Vol. 77, No. 1 (Spring, 1975), pp. 73-83
♦ 19Spermophilus saturatus, Stephan C. Trombulak, MAMMALIAN SPECIES No. 322, pp. 1-4 (1988)
♦ 20Jorrit H. Poelen, James D. Simons and Chris J. Mungall. (2014). Global Biotic Interactions: An open infrastructure to share and analyze species-interaction datasets. Ecological Informatics.
♦ 21Contribution to the study of the diet of four owl species (Aves, Strigiformes) from mainland and island areas of Greece, Haralambos Alivizatos, Vassilis Goutner and Stamatis Zogaris, Belg. J. Zool., 135 (2) : 109-118
♦ 22Dipodomys deserti, Troy L. Best, Nancy J. Hildreth, and Clyde Jones, MAMMALIAN SPECIES No. 339, pp. 1-8 (1989)
♦ 23Dipodomys ordii, Tom E. Garrison and Troy L. Best, MAMMALIAN SPECIES No. 353, pp. 1-10 (1990)
♦ 24Dipodomys stephensi, Vernon C. Bleich, MAMMALIAN SPECIES No. 73, pp. 1-3 (1977)
♦ 25Geomys bursarius (Rodentia: Geomyidae), MATTHEW B. CONNIOR, MAMMALIAN SPECIES 43(879):104–117 (2011)
♦ 26Glis glis (Rodentia: Gliridae), BORIS KRYSTUFEK, MAMMALIAN SPECIES 42(865):195–206 (2010)
♦ 27Lemmiscus curtatus, Lynn E. Carroll and Hugh H. Genoways, Mammalian Species No. 124, pp. 1-6 (1980)
♦ 28Microtus canicaudus, B. J. Verts and Leslie N. Carraway, MAMMALIAN SPECIES No. 267, pp. 1-4 (1987)
♦ 29Microtus montanus, Wendy E. Sera and Cathleen N. Early, MAMMALIAN SPECIES No. 716, pp. 1–10 (2003)
♦ 30FOOD HABITS OF A HARLAN'S HAWK AND LONG-EARED OWLS IN KANSAS, Ted T. Cable and John S. Bond, Kansas Ornithological BULLETIN, Vol. 42, No. 2, June, 1991, p. 25-27
♦ 31Microtus pinetorum, Michael J. Smolen, Mammalian Species No. 147, pp. 1-7 (1981)
♦ 32Scapanus orarius, Gregory D. Hartman and Terry L. Yates, Mammalian Species No. 253, pp. 1-5 (1985)
♦ 33Avian and mammalian predators of shrews in Europe: regional differences, between-year and seasonal variation, and mortality due to predation, Erkki Korpimäki & Kai Norrdahl, Ann. Zool. Fennici 26:389-400. 1989
♦ 34Sorex cinereus, John O. Whitaker, Jr., MAMMALIAN SPECIES No. 743, pp. 1–9 (2004)
♦ 35Thomomys bottae, Cheri A. Jones and Colleen N. Baxter, MAMMALIAN SPECIES No. 742, pp. 1–14 (2004)
♦ 36Zapus trinotatus, William L. Gannon, MAMMALIAN SPECIES No. 315, pp. 1-5 (1988)
♦ 37Gibson, D. I., Bray, R. A., & Harris, E. A. (Compilers) (2005). Host-Parasite Database of the Natural History Museum, London
♦ 38International Flea Database
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
Audio software provided by SoundManager 2
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