Animalia > Chordata > Aves > Strigiformes > Strigidae > Bubo > Bubo virginianus

Bubo virginianus (Great Horned Owl)

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Infraspecies

Bubo virginianus algistus (Synonym of Bubo virginianus lagophonus, Northwestern horned owl)
Bubo virginianus deserti
Bubo virginianus elachistus (Dwarf horned owl)
Bubo virginianus heterocnemis (Newfoundland horned owl)
Bubo virginianus lagophonus (Northwestern horned owl)
Bubo virginianus magellanicus
Bubo virginianus mayensis (Yucatan horned owl)
Bubo virginianus mesembrinus (Oaxaca horned owl)
Bubo virginianus nacurutu (Venezuelan great horned owl)
Bubo virginianus nigrescens (Ecuadorian great horned owl)
Bubo virginianus pacificus (Coast horned owl)
Bubo virginianus pallescens (Virginia great horned owl) (Attributes)
Bubo virginianus pinorum
Bubo virginianus saturatus (St Michael horned owl)
Bubo virginianus subarcticus
Bubo virginianus virginianus (Northern great horned owl) (Attributes)

Invasive Species

View ISSG Record: Bubo virginianus

EDGE Analysis

Uniqueness Scale: Similiar (0) 
3
 Unique (100)
Uniqueness & Vulnerability Scale: Similiar & Secure (0) 
19
 Unique & Vulnerable (100)
ED Score: 6.47536
EDGE Score: 2.01161

Attributes

Adult Weight [1]  3.137 lbs (1.423 kg)
Birth Weight [3]  35 grams
Female Weight [5]  3.322 lbs (1.507 kg)
Male Weight [5]  2.518 lbs (1.142 kg)
Weight Dimorphism [5]  32 %
Breeding Habitat [2]  Generalist
Wintering Geography [2]  Non-migrartory
Wintering Habitat [2]  Generalist
Diet [4]  Carnivore (Invertebrates), Carnivore (Vertebrates)
Diet - Endothermic [4]  90 %
Diet - Invertibrates [4]  10 %
Forages - Understory [4]  10 %
Forages - Ground [4]  80 %
Forages - Water Surface [4]  10 %
Clutch Size [6]  2
Clutches / Year [3]  1
Fledging [1]  68 days
Global Population (2017 est.) [2]  6,500,000
Incubation [3]  27 days
Mating Display [7]  Ground display
Maximum Longevity [3]  29 years
Nocturnal [4]  Yes
Raptor Research Conservation Priority [8]  152
Snout to Vent Length [1]  19 inches (48 cm)
Wing Span [9]  4.395 feet (1.34 m)
Female Maturity [3]  2 years
Male Maturity [3]  2 years

Ecoregions

Protected Areas

+ Click for partial list (100)Full list (323)

Ecosystems

Biodiversity Hotspots

Emblem of

Alberta

Prey / Diet

Prey / Diet Overlap

+ Click for partial list (61)Full list (102)

Predators

Accipiter gentilis (Northern Goshawk)[11]
Aquila chrysaetos (Golden Eagle)[11]

Consumers

Range Map

External References

NatureServe Explorer

Audio

Play / PauseVolume
Provided by Birds Of A Feather on Myxer

Citations

Attributes / relations provided by
1Nathan 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
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
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
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
7Terje Lislevand, Jordi Figuerola, and Tamás Székely. 2007. Avian body sizes in relation to fecundity, mating system, display behavior, and resource sharing. Ecology 88:1605
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. https://doi.org/10.1111/ddi.12901
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)
11Jorrit 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.
12Myers, 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
13DIET 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
14Neotoma cinerea, Felisa A. Smith, MAMMALIAN SPECIES No. 564, pp. 1-8 (1997)
15SPECIES ASSESSMENT FOR SAGE SPARROW (AMPHISPIZA BELLI) IN WYOMING, PAULA L. HANSLEY AND DR. GARY P. BEAUVAIS, United States Department of the Interior, Bureau of Land Management, September 2004
16Baiomys taylori, Bruce D. Eshelman and Guy N. Cameron, MAMMALIAN SPECIES No. 285, pp. 1-7 (1987)
17Blarina brevicauda, Sarah B. George, Jerry R. Choate, and Hugh H. Genoways, MAMMALIAN SPECIES No. 261, pp. 1-9 (1986)
18SPECIES 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)
19Spermophilus saturatus, Stephan C. Trombulak, MAMMALIAN SPECIES No. 322, pp. 1-4 (1988)
20Neotoma lepida, B. J. Verts and Leslie N. Carraway, MAMMALIAN SPECIES No. 699, pp. 1–12 (2002)
21Chaetodipus hispidus, Deborah D. Paulson, MAMMALIAN SPECIES No. 320, pp. 1-4 (1988)
22Chaetodipus nelsoni, Troy L. Best, MAMMALIAN SPECIES No. 484, pp. 1-6 (1994)
23Conepatus leuconotus (Carnivora: Mephitidae), JERRY W. DRAGOO AND STEVEN R. SHEFFIELD, MAMMALIAN SPECIES 827:1–8 (2009)
24Dipodomys heermanni, Douglas A. Kelt, MAMMALIAN SPECIES No. 323, pp. 1-7 (1988)
25Dipodomys ingens, Daniel F. Williams and Kerry S. Kilburn, MAMMALIAN SPECIES No. 377, pp. 1-7 (1991)
26Dipodomys ordii, Tom E. Garrison and Troy L. Best, MAMMALIAN SPECIES No. 353, pp. 1-10 (1990)
27Dipodomys spectabilis, Troy L. Best, MAMMALIAN SPECIES No. 311, pp. 1-10 (1988)
28Predators of the Swallow-Tailed Kite in Southern Louisiana and Mississippi, Jennifer O. Coulson, Thomas D. Coulson, Sherry A. DeFrancesch, and Thomas W. Sherry, Journal of Raptor Research 42(1):1-12. 2008
29Geomys breviceps, James M. Sulentich, Lawrence R. Williams, and Guy N. Cameron, MAMMALIAN SPECIES No. 383, pp. 1-4 (1991)
30Geomys bursarius (Rodentia: Geomyidae), MATTHEW B. CONNIOR, MAMMALIAN SPECIES 43(879):104–117 (2011)
31The Cactus Ferruginous Pygmy-Owl: Taxonomy, Distribution, and Natural History, Jean-Luc E. Cartron, W. Scott Richardson, Glenn A. Proudfoot, USDA Forest Service Gen. Tech. Rep. RMRS-GTR-43. 2000
32Glaucomys sabrinus, Nancy Wells-Gosling and Lawrence R. Heaney, Mammalian Species No. 229, pp. 1-8 (1984)
33Irenomys tarsalis, Douglas A. Kelt, MAMMALIAN SPECIES No. 447, pp. 1-3 (1993)
34Lasiurus borealis, Karl A. Shump Jr. and Ann U. Shump, Mammalian Species No. 183, pp. 1-6 (1982)
35Lemmiscus curtatus, Lynn E. Carroll and Hugh H. Genoways, Mammalian Species No. 124, pp. 1-6 (1980)
36Lepus californicus, Troy L. Best, MAMMALIAN SPECIES No. 530, pp. 1-10 (1996)
37Martes americana, Tim W. Clark, Elaine Anderson, Carman Douglas, and Marjorie Strickland, MAMMALIAN SPECIES No. 289, pp. 1-8 (1987)
38Microtus californicus (Rodentia: Cricetidae), NICHOLE L. CUDWORTH AND JOHN L. KOPROWSKI, MAMMALIAN SPECIES 42(868):230–243 (2010)
39Microtus montanus, Wendy E. Sera and Cathleen N. Early, MAMMALIAN SPECIES No. 716, pp. 1–10 (2003)
40Microtus pinetorum, Michael J. Smolen, Mammalian Species No. 147, pp. 1-7 (1981)
41Mustela frenata, Steven R. Sheffield and Howard H. Thomas, MAMMALIAN SPECIES No. 570, pp. 1-9 (1997)
42Neotoma floridana, Robert W. Wiley, Mammalian Species No. 139, pp. 1-7 (1980)
43Neotoma fuscipes, L. N. Carraway and B. J. Verts, MAMMALIAN SPECIES No. 386, pp. 1-10 (1991)
44Neotoma micropus, J. K. Braun and M. A. Mares, MAMMALIAN SPECIES No. 330, pp. 1-9 (1989)
45Neurotrichus gibbsii, L. N. Carraway and B. J. Verts, MAMMALIAN SPECIES No. 387, pp. 1-7 (1991)
46Notiosorex crawfordi, David M. Armstrong and J. Knox Jones, Jr., MAMMALIAN SPECIES No. 17, pp. 1-5 (1972)
47Perognathus flavescens, R. Richard Monk and J. Knox Jone, Jr., MAMMALIAN SPECIES No. 525, pp. 1-4 (1996)
48Perognathus flavus, Troy L. Best and Marian P. Skupski, MAMMALIAN SPECIES No. 471, pp. 1-10 (1994)
49Peromyscus eva, Sergio Ticul Álvarez-Castañeda and Patricia Cortés-Calva, MAMMALIAN SPECIES No. 738, pp. 1–3 (2003)
50Reithrodon auritus, Ulyses F. J. Pardin ̃as and Carlos A. Galliari, MAMMALIAN SPECIES No. 664, pp. 1–8 (2001)
51Sciurus niger, John L. Koprowski, MAMMALIAN SPECIES No. 479, pp. 1-9 (1994)
52Sorex vagrans, Scott W. Gillihan and Kerry R. Foresman, MAMMALIAN SPECIES No. 744, pp. 1–5 (2004)
53Spalacopus cyanus, Juan C. Torres-Mura and Luis C. Contreras, MAMMALIAN SPECIES No.594, pp. 1-5 (1998)
54Spilogale putorius, Al Kinlaw, MAMMALIAN SPECIES No. 511, pp. 1-7 (1995)
55Feeding Ecology and Nesting Success of Forster's Terns on Lake Osakis, Minnesota, Gail Fraser, Minnesota Department of Natural Resources, 1994
56Sylvilagus audubonii, Joseph A. Chapman and Gale R. Willner, MAMMALIAN SPECIES No. 106, pp. 1-4 (1978)
57Sylvilagus bachmani, Joseph A. Chapman, MAMMALIAN SPECIES No. 34, pp. 1-4 (1974)
58Sylvilagus nuttallii, Joseph A. Chapman, MAMMALIAN SPECIES No. 56, pp. 1-3 (1975)
59Sylvilagus palustris, Joseph A. Chapman and Gale R. Willner, Mammalian Species No. 153, pp. 1-3 (1981)
60Tadarida brasiliensis, Kenneth T. Wilkins, MAMMALIAN SPECIES No. 331, pp. 1-10 (1989)
61Tamias merriami, Troy L. Best and Nancy J. Granai, MAMMALIAN SPECIES No. 476, pp. 1-9 (1994)
62Thomomys bottae, Cheri A. Jones and Colleen N. Baxter, MAMMALIAN SPECIES No. 742, pp. 1–14 (2004)
63Thomomys bulbivorus, B. J. Verts and Leslie N. Carraway, MAMMALIAN SPECIES No. 273, pp. 1-4 (1987)
64Thomomys talpoides, B. J. Verts and Leslie N. Carraway, MAMMALIAN SPECIES No. 618, pp. 1-11 (1999)
65Urocitellus canus (Rodentia: Sciuridae) F. RUSSELL COLE AND DON E. WILSON, MAMMALIAN SPECIES 834:1–8 (2009)
66Spermophilus richardsonii, Gail R. Michener and James W. Koeppl, Mammalian Species No. 243, pp. 1-8, (1985)
67International Flea Database
68Gibson, D. I., Bray, R. A., & Harris, E. A. (Compilers) (2005). Host-Parasite Database of the Natural History Museum, London
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
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