Animalia > Chordata > Aves > Strigiformes > Tytonidae > Tyto > Tyto alba

Tyto alba (Barn Owl; Common Barn-Owl)

Synonyms: Strix alba (homotypic); Strix flammea
Language: French; Spanish


EDGE Analysis

Uniqueness Scale: Similiar (0) 
 Unique (100)
Uniqueness & Vulnerability Scale: Similiar & Secure (0) 
 Unique & Vulnerable (100)
ED Score: 14.2419
EDGE Score: 2.72405


Adult Weight [1]  354 grams
Birth Weight [3]  15 grams
Female Weight [1]  395 grams
Male Weight [1]  313 grams
Weight Dimorphism [1]  26.2 %
Breeding Habitat [2]  Generalist, Agricultural
Wintering Geography [2]  Non-migrartory
Wintering Habitat [2]  Generalist, Agricultural
Diet [4]  Carnivore (Invertebrates), Carnivore (Vertebrates)
Diet - Ectothermic [4]  10 %
Diet - Endothermic [4]  80 %
Diet - Invertibrates [4]  10 %
Forages - Understory [4]  10 %
Forages - Ground [4]  90 %
Clutch Size [6]  5
Clutches / Year [3]  2
Fledging [5]  54 days
Global Population (2017 est.) [2]  1,800,000
Incubation [3]  33 days
Maximum Longevity [3]  34 years
Nocturnal [7]  Yes
Raptor Research Conservation Priority [8]  168
Wing Span [9]  3.706 feet (1.13 m)
Female Maturity [3]  1 year
Male Maturity [3]  1 year


Protected Areas

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Important Bird Areas

Name Location  IBA Criteria   Website   Climate   Land Use 
Lowlands of Zurich and lower valley of the river Thur Switzerland B2, B3
Mountains of Barcelona Spain B1i, B2, B3, C2, C3, C6
Tejo estuary Portugal A1, A4i, A4iii, B1i, B2, C1, C2, C3, C4, C6
Thessaly plain Greece A1, A4ii, B1iii, B2, B3, C1, C2, C6

Biodiversity Hotspots

Prey / Diet

Prey / Diet Overlap

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Columba oenas (Stock Dove)[39]


Range Map

External References

NatureServe Explorer


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


Attributes / relations provided by
1Storchová, Lenka; Hořák, David (2018), Data from: Life-history characteristics of European birds, Dryad, Dataset,
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
6Jetz 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
7Myers, 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
8Buechley 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.
9Wing Loading in 15 Species of North American Owls, Duncan, James R.; Johnson, David H.; Nicholls, Thomas H., eds. Biology and conservation of owls of the Northern Hemisphere: 2nd International symposium. Gen. Tech. Rep. NC-190. St. Paul, MN: U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station. 553-561 (1997)
10Predation upon small mammals in shrublands and grasslands of southern South America: ecological correlates and presumable consequences, Fabian M. Jaksic, Revista Chilena de Historia Natural 59: 209-221 (1986)
11Artibeus jamaicensis, Jorge Ortega and Iván Castro-Arellano, MAMMALIAN SPECIES No. 662, pp. 1–9 (2001)
12Contribution 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
13Baiomys taylori, Bruce D. Eshelman and Guy N. Cameron, MAMMALIAN SPECIES No. 285, pp. 1-7 (1987)
14Balantiopteryx plicata, Joaquín Arroyo-Cabrales and J. Knox Jones, Jr., MAMMALIAN SPECIES No. 301, pp. 1-4 (1988)
15Barbastella barbastellus, Jens Rydell and Wiesław Bogdanowicz, MAMMALIAN SPECIES No. 557, pp. 1-8 (1997)
16Blarina carolinensis, Timothy S. McCay, MAMMALIAN SPECIES No. 673, pp. 1–7 (2001)
17Blarina hylophaga (Soricomorpha: Soricidae), CODY W. THOMPSON, JERRY R. CHOATE, HUGH H. GENOWAYS, AND ELMER J. FINCK, MAMMALIAN SPECIES 43(878):94–103 (2011)
18Cercartetus nanus, JAMIE M. HARRIS, MAMMALIAN SPECIES 815:1–10 (2008)
19Jorrit 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.
20Chaetodipus nelsoni, Troy L. Best, MAMMALIAN SPECIES No. 484, pp. 1-6 (1994)
21Cryptotis meridensis, Neal Woodman and Amelia Díaz de Pascual, MAMMALIAN SPECIES No. 761, pp. 1–5 (2004)
22Ctenomys talarum, Enrique R. Justo, Luciano J. M. De Santis, and Marta S. Kin, MAMMALIAN SPECIES No. 730, pp. 1–5 (2003)
23Deltamys kempi, Enrique M. González and Ulyses F. J. Pardiñas, MAMMALIAN SPECIES No. 711, pp. 1–4 (2002)
24Desmodus rotundus, Arthur M. Greenhall, Gerhard Joermann, and Uwe Schmidt, Mammalian Species No. 202, pp. 1-6 (1983)
25Dipodomys heermanni, Douglas A. Kelt, MAMMALIAN SPECIES No. 323, pp. 1-7 (1988)
26Dipodomys ingens, Daniel F. Williams and Kerry S. Kilburn, MAMMALIAN SPECIES No. 377, pp. 1-7 (1991)
27Thomomys townsendii, B. J. Verts and Leslie N. Carraway, MAMMALIAN SPECIES No. 719, pp. 1–6 (2003)
28Dipodomys spectabilis, Troy L. Best, MAMMALIAN SPECIES No. 311, pp. 1-10 (1988)
29Dipodomys stephensi, Vernon C. Bleich, MAMMALIAN SPECIES No. 73, pp. 1-3 (1977)
30Elephantulus rufescens, Fred W. Koontz and Nancy J. Roeper, Mammalian Species No. 204, pp. 1-5 (1983)
31Eremitalpa granti, Michael R. Perrin and Laura J. Fielden, MAMMALIAN SPECIES No. 629, pp. 1-4 (1999)
32Geomys bursarius (Rodentia: Geomyidae), MATTHEW B. CONNIOR, MAMMALIAN SPECIES 43(879):104–117 (2011)
33Glis glis (Rodentia: Gliridae), BORIS KRYSTUFEK, MAMMALIAN SPECIES 42(865):195–206 (2010)
34Holochilus sciureus, Guillermo R. Barreto and Shaenandhoa GarcÍa-Rangel, MAMMALIAN SPECIES No. 780, pp. 1-5 (2005)
35Irenomys tarsalis, Douglas A. Kelt, MAMMALIAN SPECIES No. 447, pp. 1-3 (1993)
36Anurans as prey: an exploratory analysis and size relationships between predators and their prey, L. F. Toledo, R. S. Ribeiro & C. F. B. Haddad, Journal of Zoology 271 (2007) 170–177
37Marmosa mexicana, Alfonso Alonso-Mejía and Rodrigo A. Medellín, MAMMALIAN SPECIES No. 421, pp. 1-4 (1992)
38Small-scale coexistence of two mouse lemur species (Microcebus berthae and M. murinus) within a homogeneous competitive environment, Melanie Dammhahn, Peter M. Kappeler, Oecologia (2008) 157:473–483
39Ecology of Commanster
40Microtus californicus (Rodentia: Cricetidae), NICHOLE L. CUDWORTH AND JOHN L. KOPROWSKI, MAMMALIAN SPECIES 42(868):230–243 (2010)
41Microtus oregoni, Leslie N. Carraway and B. J. Verts, Mammalian Species No. 233, pp. 1-6 (1985)
42Microtus pinetorum, Michael J. Smolen, Mammalian Species No. 147, pp. 1-7 (1981)
43Microtus townsendii, John E. Cornely and B. J. Verts, MAMMALIAN SPECIES No. 325, pp. 1-9 (1988)
44Mus spretus (Rodentia: Muridae), L. JAVIER PALOMO, ENRIQUE R. JUSTO, AND J. MARIO VARGAS, MAMMALIAN SPECIES 840:1–10 (2009)
45Myotis vivesi, Brad R. Blood and Mary K. Clark, MAMMALIAN SPECIES No. 588, pp. 1-5 (1998)
46Neofiber alleni, Dale E. Birkenholz, MAMMALIAN SPECIES No. 15, pp. 1-4 (1972)
47Neotoma fuscipes, L. N. Carraway and B. J. Verts, MAMMALIAN SPECIES No. 386, pp. 1-10 (1991)
48Neotoma mexicana, John E. Cornely and Robert J. Baker, MAMMALIAN SPECIES No. 262, pp. 1-7 (1986)
49Neotoma micropus, J. K. Braun and M. A. Mares, MAMMALIAN SPECIES No. 330, pp. 1-9 (1989)
50Neurotrichus gibbsii, L. N. Carraway and B. J. Verts, MAMMALIAN SPECIES No. 387, pp. 1-7 (1991)
51Notiosorex crawfordi, David M. Armstrong and J. Knox Jones, Jr., MAMMALIAN SPECIES No. 17, pp. 1-5 (1972)
52Nyctinomops laticaudatus, Rafael Avila-Flores, José Juan Flores-MartÍnez, and Jorge Ortega, MAMMALIAN SPECIES No. 697, pp. 1–6 (2002)
53Oryzomys palustris, James L. Wolfe, Mammalian Species No. 176, pp. 1-5 (1982)
54Otomys angoniensis, G. N. Bronner and J. A. J. Meester, MAMMALIAN SPECIES No. 306, pp. 1-6 (1988)
55Otomys irroratus, G. Bronner, S. Gordon, and J. Meester, MAMMALIAN SPECIES No. 308, pp. 1-6 (1988)
56Otonycteris hemprichii, Burhan M. Gharaibeh and Mazin B. Qumsiyeh, MAMMALIAN SPECIES No. 514, pp. 1-4 (1995)
57Perognathus flavescens, R. Richard Monk and J. Knox Jone, Jr., MAMMALIAN SPECIES No. 525, pp. 1-4 (1996)
58Perognathus inornatus, Troy L. Best, MAMMALIAN SPECIES No. 450, pp. 1-5 (1993)
59Peromyscus californicus, Joseph F. Merritt, MAMMALIAN SPECIES No. 85, pp. 1-6 (1978)
60Peromyscus eva, Sergio Ticul Álvarez-Castañeda and Patricia Cortés-Calva, MAMMALIAN SPECIES No. 738, pp. 1–3 (2003)
61Peromyscus levipes (Rodentia: Cricetidae), SERGIO TICUL ALVAREZ-CASTANEDA AND NOE GONZALEZ-RUIZ, MAMMALIAN SPECIES 824:1–6 (2009)
62Phyllonycteris poeyi (Chiroptera: Phyllostomidae), CARLOS A. MANCINA, MAMMALIAN SPECIES 42(852):41–48 (2010)
63Phyllops falcatus, Valéria da Cunha Tavares, Carlos A. Mancina, MAMMALIAN SPECIES No. 811:1-7 (2008)
64Pteropus tonganus, Carrie A. Miller and Don E. Wilson, MAMMALIAN SPECIES No. 552, pp. 1-6 (1997)
65Reithrodon auritus, Ulyses F. J. Pardin ̃as and Carlos A. Galliari, MAMMALIAN SPECIES No. 664, pp. 1–8 (2001)
66Rhinolophus hildebrandti, David L. Pearl, MAMMALIAN SPECIES No. 486, pp. 1-3 (1994)
67Scapanus latimanus, B. J. Verts and Leslie N. Carraway, MAMMALIAN SPECIES No. 666, pp. 1–7 (2001)
68Scapanus orarius, Gregory D. Hartman and Terry L. Yates, Mammalian Species No. 253, pp. 1-5 (1985)
69Scapanus townsendii, Leslie N. Carraway, Lois F. Alexander, and B. J. Verts, MAMMALIAN SPECIES No. 434, pp. 1-7 (1993)
70Sorex cinereus, John O. Whitaker, Jr., MAMMALIAN SPECIES No. 743, pp. 1–9 (2004)
71Sorex longirostris, Thomas W. French, Mammalian Species No. 143, pp. 1-3 (1980)
72Sylvilagus audubonii, Joseph A. Chapman and Gale R. Willner, MAMMALIAN SPECIES No. 106, pp. 1-4 (1978)
73Sylvilagus bachmani, Joseph A. Chapman, MAMMALIAN SPECIES No. 34, pp. 1-4 (1974)
74Sylvilagus cunicularius, Fernando A. Cervantes, Consuelo Lorenzo, Julieta Vargas, and Thorvald Holmes, MAMMALIAN SPECIES No. 412, pp. 1-4 (1992)
75Sylvilagus palustris, Joseph A. Chapman and Gale R. Willner, Mammalian Species No. 153, pp. 1-3 (1981)
76Tadarida brasiliensis, Kenneth T. Wilkins, MAMMALIAN SPECIES No. 331, pp. 1-10 (1989)
77Thomomys bottae, Cheri A. Jones and Colleen N. Baxter, MAMMALIAN SPECIES No. 742, pp. 1–14 (2004)
78Thylamys pallidior (Didelphimorphia: Didelphidae), JANET K. BRAUN, NATHAN L. PRATT, AND MICHAEL A. MARES, MAMMALIAN SPECIES 42(856):90–98 (2010)
79Marmosa canescens, Heliot Zarza, Gerardo Ceballos, and Michael A. Steele, MAMMALIAN SPECIES No. 725, pp. 1–4 (2003)
80Tympanoctomys barrerae, Gabriela B. Diaz, Ricardo A. Ojeda, Milton H. Gallardo, and Stella M. Giannoni, MAMMALIAN SPECIES No. 646, pp. 1–4 (2000)
81Vespertilio murinus, Jens Rydell and Hans J. Baagøe, MAMMALIAN SPECIES No. 467, pp. 1-6 (1994)
82Zapus trinotatus, William L. Gannon, MAMMALIAN SPECIES No. 315, pp. 1-5 (1988)
83DIET OF THE GREAT HORNED OWL IN THE CRESTON VALLEY, BRITISH COLUMBIA, 1998 - 2005, Linda M. Van Damme, Wildlife Afield 2:2 December 2005, pp. 73-78
84Gibson, D. I., Bray, R. A., & Harris, E. A. (Compilers) (2005). Host-Parasite Database of the Natural History Museum, London
85International 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
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Species taxanomy provided by GBIF Secretariat (2022). GBIF Backbone Taxonomy. Checklist dataset accessed via on 2023-06-13; License: CC BY 4.0