Animalia > Chordata > Aves > Strigiformes > Strigidae > Strix > Strix varia

Strix varia (Barred Owl)

Synonyms: Strix varia georgica; Strix varia helveola; Strix varia varia
Language: French; Spanish

Wikipedia Abstract

The barred owl (Strix varia) is a large typical owl native to North America. Best known as the hoot owl for its distinctive call, it goes by many other names, including eight hooter, rain owl, wood owl, and striped owl.
View Wikipedia Record: Strix varia

EDGE Analysis

Uniqueness Scale: Similiar (0) 
4
 Unique (100)
Uniqueness & Vulnerability Scale: Similiar & Secure (0) 
23
 Unique & Vulnerable (100)
ED Score: 8.47117
EDGE Score: 2.24825
Learn more at EDGE of Existence programme

Attributes

Adult Weight [1]  1.579 lbs (716 g)
Birth Weight [3]  46 grams
Female Weight [5]  1.766 lbs (801 g)
Male Weight [5]  1.393 lbs (632 g)
Weight Dimorphism [5]  26.7 %
Breeding Habitat [2]  Forests
Wintering Geography [2]  Non-migrartory
Wintering Habitat [2]  Forests
Diet [4]  Carnivore (Invertebrates), Carnivore (Vertebrates), Piscivore
Diet - Ectothermic [4]  10 %
Diet - Endothermic [4]  70 %
Diet - Fish [4]  10 %
Diet - Invertibrates [4]  10 %
Forages - Mid-High [4]  10 %
Forages - Understory [4]  20 %
Forages - Ground [4]  60 %
Forages - Water Surface [4]  10 %
Clutch Size [6]  3
Clutches / Year [3]  1
Fledging [1]  42 days
Global Population (2017 est.) [2]  3,300,000
Incubation [3]  28 days
Maximum Longevity [3]  23 years
Nocturnal [7]  Yes
Raptor Research Conservation Priority [8]  141
Snout to Vent Length [1]  20 inches (50 cm)
Wing Span [9]  3.575 feet (1.09 m)
Female Maturity [3]  2 years
Male Maturity [3]  2 years

Ecoregions

Protected Areas

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Ecosystems

Biodiversity Hotspots

Name Location Endemic Species Website
Madrean Pine-Oak Woodlands Mexico, United States No
Mesoamerica Belize, Costa Rica, El Salvador, Guatemala, Honduras, Mexico, Nicaragua, Panama No

Prey / Diet

Prey / Diet Overlap

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Predators

Bubo virginianus (Great Horned Owl)[12]
Buteo jamaicensis (Red-tailed Hawk)[10]
Procyon lotor (Raccoon)[12]

Providers

Consumers

Range Map

External References

NatureServe Explorer

Audio

Play / PauseVolume
Provided by Center for Biological Diversity via Myxer Author: Stratford Landing Elementary School

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
♦ 5Earhart, CM and Johnson, NK 1970. Size dimorphism and food habits of North American owls Condor 72: 251-264
♦ 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 animaldiversity.org
♦ 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
♦ 9del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona.
♦ 10Study of Northern Virginia Ecology
♦ 11Blarina brevicauda, Sarah B. George, Jerry R. Choate, and Hugh H. Genoways, MAMMALIAN SPECIES No. 261, pp. 1-9 (1986)
♦ 12Jorrit 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.
♦ 13Predators 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
♦ 14Glaucomys sabrinus, Nancy Wells-Gosling and Lawrence R. Heaney, Mammalian Species No. 229, pp. 1-8 (1984)
♦ 15Microtus pinetorum, Michael J. Smolen, Mammalian Species No. 147, pp. 1-7 (1981)
♦ 16Mustela frenata, Steven R. Sheffield and Howard H. Thomas, MAMMALIAN SPECIES No. 570, pp. 1-9 (1997)
♦ 17Oryzomys palustris, James L. Wolfe, Mammalian Species No. 176, pp. 1-5 (1982)
♦ 18Sorex longirostris, Thomas W. French, Mammalian Species No. 143, pp. 1-3 (1980)
♦ 19Sorex trowbridgii, Sarah B. George, MAMMALIAN SPECIES No. 337, pp. 1-5 (1989)
♦ 20Sorex vagrans, Scott W. Gillihan and Kerry R. Foresman, MAMMALIAN SPECIES No. 744, pp. 1–5 (2004)
♦ 21Sylvilagus palustris, Joseph A. Chapman and Gale R. Willner, Mammalian Species No. 153, pp. 1-3 (1981)
♦ 22Gibson, 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
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