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Omote, K.; Nishida, C.; Dick, M. H.; Masuda, R. (2013). "Limited phylogenetic distribution of a long tandem-repeat cluster in the mitochondrial control region in Bubo (Aves, Strigidae) and cluster variation in Blakiston's fish owl (Bubo blakistoni)". Molecular Phylogenetics and Evolution. 66 (3): 889–897. Bibcode:2013MolPE..66..889O. doi:10.1016/j.ympev.2012.11.015. PMID23211719.
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Webster, J. D.; Orr, R. T. (1958). "Variation in the Great Horned Owls of Middle America". Auk. 75 (2): 134–142. doi:10.2307/4081882. JSTOR4081882.
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Earhart, C. M.; Johnson, N. K. (1970). "Size dimorphism and food habits of North American Owls". Condor. 72 (3): 251–264. doi:10.2307/1366002. JSTOR1366002.
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Norberg, R.A. (1977). "Occurrence in independent evolution of bilateral ear asymmetry in owls and implications in owl taxonomy". Philosophical Transactions of the Royal Society of London, Series B. 280 (973): 375–408. Bibcode:1977RSPTB.280..375N. doi:10.1098/rstb.1977.0116.
Fite, K. V. (1973). "Anatomical and behavioral correlates of visual acuity in the Great Horned Owl". Vision Research. 13 (2): 219–230. doi:10.1016/0042-6989(73)90101-6. PMID4692516.
Miller, A. H. (1934). "The vocal apparatus of some North American owls". Condor. 36 (5): 204–213. doi:10.2307/1363856. JSTOR1363856.
Rohner, C. (1996). "The numerical response of Great Horned Owls to the snowshoe hare cycle: consequences of non-territorial 'floaters' on demography". Journal of Animal Ecology. 65 (3): 359–370. Bibcode:1996JAnEc..65..359R. doi:10.2307/5882. JSTOR5882.
Mcgarigal, K.; Fraser, J. D. (1984). "The effect of forest stand age on owl distribution in southwestern Virginia". Journal of Wildlife Management. 48 (4): 1393–1398. doi:10.2307/3801804. JSTOR3801804.
Orians, G.; Kuhlman, F. (1956). "Red-tailed hawk and horned owl populations in Wisconsin". The Condor. 58 (5): 371–385. doi:10.2307/1365056. JSTOR1365056.
Longland, W. S.; Price, M. V. (1991). "Direct observations of owls and heteromyid rodents: can predation risk explain microhabitat use?". Ecology. 72 (6): 2261–2273. Bibcode:1991Ecol...72.2261L. doi:10.2307/1941576. JSTOR1941576.
Fitch, H. S. (1947). "Predation by owls in the Sierran foothills of California". The Condor. 49 (4): 137–151. doi:10.2307/1364108. JSTOR1364108.
Fitch, H. S. (1940). "Some observations on horned owl nests". The Condor. 42 (1): 73–75. doi:10.2307/1364321. JSTOR1364321.
Wiley, J.W. (1969). "A Case of Great Horned Owl Predation on a Porcupine". The Condor. 71 (1): 73. doi:10.2307/1366054. JSTOR1366054.
Marti, C. D. (1969). "Some comparisons of the feeding ecology of four owls in north-central Colorado". The Southwestern Naturalist. 14 (2): 163–170. doi:10.2307/3668871. JSTOR3668871.
Rohner, C. (1995). "Great Horned Owls and snowshoe hares: what causes the time lag in the numerical response of predators to cyclic prey?". Oikos. 74 (1): 61–68. Bibcode:1995Oikos..74...61R. doi:10.2307/3545675. JSTOR3545675.
Bull, E. L.; Heater, T. W. (2001). "Survival, Causes of Mortality, and Reproduction in the American Marten in Northeastern Oregon". Northwestern Naturalist. 82 (1): 1–6. doi:10.2307/3536640. JSTOR3536640.
Mendall, H. L. (1944). "Food of Hawks and Owls N Maine". The Journal of Wildlife Management. 8 (3): 198–208. doi:10.2307/3795698. JSTOR3795698.
Sovada, M. A.; Roy, C. C.; Bright, J. B.; Gillis, J. R. (1998). "Causes and rates of mortality of swift foxes in western Kansas". The Journal of Wildlife Management. 62 (4): 1300–1306. doi:10.2307/3801994. JSTOR3801994.
Kilgore, D.L. (1969). "An ecological study of the swift fox (Vulpes velox) in the Oklahoma panhandle". American Midland Naturalist. 81 (2): 513–534. doi:10.2307/2423986. JSTOR2423986.
James T. Pokines "Prey Remains from a Great Horned Owl (Bubo virginianus) Roost in the Icla Valley, Bolivia," Journal of Raptor Research 41(2), 174–175, (1 June 2007). https://doi.org/10.3356/0892-1016(2007)41[174:PRFAGH]2.0.CO;2
Baker, J. K. (1962). "The manner and efficiency of raptor depredations on bats". The Condor. 64 (6): 500–504. doi:10.2307/1365473. JSTOR1365473.
Errington, P. L. (1932). "Food habits of southern Wisconsin raptors. Part I. Owls". The Condor. 34 (4): 176–186. doi:10.2307/1363563. JSTOR1363563.
Monnie, J. B. (1966). "Reintroduction of the Trumpeter Swan to its former prairie breeding range". Journal of Wildlife Management. 30 (4): 691–696. doi:10.2307/3798274. JSTOR3798274.
Knopf, F. L.; Evans, R. M. (2020). "American White Pelican (Pelecanus erythrorhynchos), version 1.0". In Poole, A. F. (ed.). Birds of the World. Ithaca, NY, USA: Cornell Lab of Ornithology. doi:10.2173/bow.amwpel.01. S2CID216485857.
Errington, P. L. (1938). "The Great Horned Owl as an indicator of vulnerability in prey populations". The Journal of Wildlife Management. 2 (4): 190–205. doi:10.2307/3795666. JSTOR3795666.
Omote, K.; Nishida, C.; Dick, M. H.; Masuda, R. (2013). "Limited phylogenetic distribution of a long tandem-repeat cluster in the mitochondrial control region in Bubo (Aves, Strigidae) and cluster variation in Blakiston's fish owl (Bubo blakistoni)". Molecular Phylogenetics and Evolution. 66 (3): 889–897. Bibcode:2013MolPE..66..889O. doi:10.1016/j.ympev.2012.11.015. PMID23211719.
Norberg, R.A. (1977). "Occurrence in independent evolution of bilateral ear asymmetry in owls and implications in owl taxonomy". Philosophical Transactions of the Royal Society of London, Series B. 280 (973): 375–408. Bibcode:1977RSPTB.280..375N. doi:10.1098/rstb.1977.0116.
Rohner, C. (1996). "The numerical response of Great Horned Owls to the snowshoe hare cycle: consequences of non-territorial 'floaters' on demography". Journal of Animal Ecology. 65 (3): 359–370. Bibcode:1996JAnEc..65..359R. doi:10.2307/5882. JSTOR5882.
Longland, W. S.; Price, M. V. (1991). "Direct observations of owls and heteromyid rodents: can predation risk explain microhabitat use?". Ecology. 72 (6): 2261–2273. Bibcode:1991Ecol...72.2261L. doi:10.2307/1941576. JSTOR1941576.
Marti, C. D.; Kochert, M. N. (1996). "Diet and Trophic Characteristics of Great Horned Owls in Southwestern Idaho". Journal of Field Ornithology. 67 (4): 499–506. Bibcode:1996JFOrn..67..499M. JSTOR4514149.
Rohner, C. (1995). "Great Horned Owls and snowshoe hares: what causes the time lag in the numerical response of predators to cyclic prey?". Oikos. 74 (1): 61–68. Bibcode:1995Oikos..74...61R. doi:10.2307/3545675. JSTOR3545675.
Mcgillivray, W. B. (1989). "Geographic variation in size and reverse size dimorphism of the Great Horned Owl in North America". Condor. 91 (4): 777–786. doi:10.2307/1368060. JSTOR1368060.
Webster, J. D.; Orr, R. T. (1958). "Variation in the Great Horned Owls of Middle America". Auk. 75 (2): 134–142. doi:10.2307/4081882. JSTOR4081882.
Snyder, N. F. R.; Wiley, J. W. (1976). "Sexual size dimorphism in hawks and owls of North America". Ornithological Monographs. 20 (20): 1–96. doi:10.2307/40166710. JSTOR40166710.
Earhart, C. M.; Johnson, N. K. (1970). "Size dimorphism and food habits of North American Owls". Condor. 72 (3): 251–264. doi:10.2307/1366002. JSTOR1366002.
Marti, C. D. (1974). "Feeding ecology of four sympatric owls". Condor. 76 (1): 45–61. doi:10.2307/1365983. JSTOR1365983.
Miller, A. H. (1934). "The vocal apparatus of some North American owls". Condor. 36 (5): 204–213. doi:10.2307/1363856. JSTOR1363856.
Morrell, T. E.; Yahner, R. H.; Harkness, W. L. (1991). "Factors affecting detection of Great Horned Owls by using broadcast vocalizations". Wildlife Society Bulletin. 19 (4): 481–488. JSTOR3782162.
Rohner, C. (1996). "The numerical response of Great Horned Owls to the snowshoe hare cycle: consequences of non-territorial 'floaters' on demography". Journal of Animal Ecology. 65 (3): 359–370. Bibcode:1996JAnEc..65..359R. doi:10.2307/5882. JSTOR5882.
Mcgarigal, K.; Fraser, J. D. (1984). "The effect of forest stand age on owl distribution in southwestern Virginia". Journal of Wildlife Management. 48 (4): 1393–1398. doi:10.2307/3801804. JSTOR3801804.
Smith, D. G.; Murphy, J. R. (1982). "Nest site selection in raptor communities of the Eastern Great Basin Desert". Great Basin Naturalist. 42 (3): 395–404. JSTOR41711942.
Orians, G.; Kuhlman, F. (1956). "Red-tailed hawk and horned owl populations in Wisconsin". The Condor. 58 (5): 371–385. doi:10.2307/1365056. JSTOR1365056.
Longland, W. S.; Price, M. V. (1991). "Direct observations of owls and heteromyid rodents: can predation risk explain microhabitat use?". Ecology. 72 (6): 2261–2273. Bibcode:1991Ecol...72.2261L. doi:10.2307/1941576. JSTOR1941576.
Baumgartner, A. M.; Baumgartner, F. M. (1944). "Hawks and owls in Oklahoma 1939–1942: Food habits and population changes". The Wilson Bulletin. 56 (4): 209–215. JSTOR4157378.
Fitch, H. S. (1947). "Predation by owls in the Sierran foothills of California". The Condor. 49 (4): 137–151. doi:10.2307/1364108. JSTOR1364108.
Fitch, H. S. (1940). "Some observations on horned owl nests". The Condor. 42 (1): 73–75. doi:10.2307/1364321. JSTOR1364321.
Wiley, J.W. (1969). "A Case of Great Horned Owl Predation on a Porcupine". The Condor. 71 (1): 73. doi:10.2307/1366054. JSTOR1366054.
Marti, C. D. (1969). "Some comparisons of the feeding ecology of four owls in north-central Colorado". The Southwestern Naturalist. 14 (2): 163–170. doi:10.2307/3668871. JSTOR3668871.
Marti, C. D.; Kochert, M. N. (1996). "Diet and Trophic Characteristics of Great Horned Owls in Southwestern Idaho". Journal of Field Ornithology. 67 (4): 499–506. Bibcode:1996JFOrn..67..499M. JSTOR4514149.
Rohner, C. (1995). "Great Horned Owls and snowshoe hares: what causes the time lag in the numerical response of predators to cyclic prey?". Oikos. 74 (1): 61–68. Bibcode:1995Oikos..74...61R. doi:10.2307/3545675. JSTOR3545675.
Bull, E. L.; Heater, T. W. (2001). "Survival, Causes of Mortality, and Reproduction in the American Marten in Northeastern Oregon". Northwestern Naturalist. 82 (1): 1–6. doi:10.2307/3536640. JSTOR3536640.
Mendall, H. L. (1944). "Food of Hawks and Owls N Maine". The Journal of Wildlife Management. 8 (3): 198–208. doi:10.2307/3795698. JSTOR3795698.
Storm, G. L.; Andrews, R. D.; Phillips, R. L.; Bishop, R. A.; Siniff, D. B.; Tester, J. R. (1976). "Morphology, reproduction, dispersal, and mortality of midwestern red fox populations". Wildlife Monographs (49): 3–82. JSTOR3830425.
Sovada, M. A.; Roy, C. C.; Bright, J. B.; Gillis, J. R. (1998). "Causes and rates of mortality of swift foxes in western Kansas". The Journal of Wildlife Management. 62 (4): 1300–1306. doi:10.2307/3801994. JSTOR3801994.
Kilgore, D.L. (1969). "An ecological study of the swift fox (Vulpes velox) in the Oklahoma panhandle". American Midland Naturalist. 81 (2): 513–534. doi:10.2307/2423986. JSTOR2423986.
Wink, J.E.; Senner, S. E.; Goodrich, L. J. (1987). "Food habits of great horned owls in Pennsylvania". Proceedings of the Pennsylvania Academy of Science. 61 (2): 133–137. JSTOR44111738.
Baker, J. K. (1962). "The manner and efficiency of raptor depredations on bats". The Condor. 64 (6): 500–504. doi:10.2307/1365473. JSTOR1365473.
Errington, P. L. (1932). "Food habits of southern Wisconsin raptors. Part I. Owls". The Condor. 34 (4): 176–186. doi:10.2307/1363563. JSTOR1363563.
Hamerstrom, F. N. (1939). "A study of Wisconsin prairie chicken and sharp-tailed grouse". The Wilson Bulletin. 51 (2): 105–120. JSTOR4156820.
Monnie, J. B. (1966). "Reintroduction of the Trumpeter Swan to its former prairie breeding range". Journal of Wildlife Management. 30 (4): 691–696. doi:10.2307/3798274. JSTOR3798274.
Schreiber, R. W.; Risebrough, R. W. (1972). "Studies of the Brown Pelican". The Wilson Bulletin. 84 (2): 119–135. JSTOR4160189.
Errington, P. L. (1938). "The Great Horned Owl as an indicator of vulnerability in prey populations". The Journal of Wildlife Management. 2 (4): 190–205. doi:10.2307/3795666. JSTOR3795666.
Omote, K.; Nishida, C.; Dick, M. H.; Masuda, R. (2013). "Limited phylogenetic distribution of a long tandem-repeat cluster in the mitochondrial control region in Bubo (Aves, Strigidae) and cluster variation in Blakiston's fish owl (Bubo blakistoni)". Molecular Phylogenetics and Evolution. 66 (3): 889–897. Bibcode:2013MolPE..66..889O. doi:10.1016/j.ympev.2012.11.015. PMID23211719.
Fite, K. V. (1973). "Anatomical and behavioral correlates of visual acuity in the Great Horned Owl". Vision Research. 13 (2): 219–230. doi:10.1016/0042-6989(73)90101-6. PMID4692516.
Knopf, F. L.; Evans, R. M. (2020). "American White Pelican (Pelecanus erythrorhynchos), version 1.0". In Poole, A. F. (ed.). Birds of the World. Ithaca, NY, USA: Cornell Lab of Ornithology. doi:10.2173/bow.amwpel.01. S2CID216485857.
Tomazzoni, A. C.; Pedó, E.; Hartz, S. M. (2004). "Food habits of Great Horned Owls (Bubo virginianus) in the breeding season in Lami Biological Reserve, southern Brazil". Ornitologia Neotropical. 15 (2): 279–282. S2CID90637198.
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Gill, Frank; Donsker, David; Rasmussen, Pamela, eds. (August 2022). "Owls". IOC World Bird List Version 12.2. International Ornithologists' Union. Retrieved 24 December 2022.