Literatura científica selecionada sobre o tema "Blackbirds"

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Artigos de revistas sobre o assunto "Blackbirds"

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Leonard, Marty L., and Jaroslav Picman. "Why Are Nesting Marsh Wrens and Yellow-Headed Blackbirds Spatially Segregated?" Auk 103, no. 1 (January 1, 1986): 135–40. http://dx.doi.org/10.1093/auk/103.1.135.

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Abstract The activity centers of Marsh Wrens (Cistothorus palustris) and Yellow-headed Blackbirds (Xanthocephalus xanthocephalus) are spatially segregated. This segregation may occur because (1) one species excludes the other or (2) the two species prefer different habitats. These hypotheses were tested by documenting changes in the size and location of Marsh Wren territories throughout the breeding season, and by the removal of conesting Yellow-headed Blackbirds. The expansion of Marsh Wren territories into blackbird breeding areas after both the natural departure and the removal of blackbird
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Rząd, I., J. Sitko, R. Sałamatin, and D. Wysocki. "Helminth community structure study on urban and forest blackbird (Turdus merula L.) populations in relation to seasonal bird migration on the south Baltic Sea coast (NW Poland)." Helminthologia 51, no. 2 (June 1, 2014): 117–29. http://dx.doi.org/10.2478/s11687-014-0219-6.

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Abstract The aim of the study was to compare helminth community structure of urban and forest blackbird populations. 24 helminth species in 98 blackbirds were found. Higher species richness was noted in the forest population of the blackbird (23 species) in comparison to the urban population (14 species). The response of the helminth fauna to a synanthropic habitat, contrary to a natural habitat, consists in a significant reduction in most parasitological parameters. Higher species richness has been noted in spring (17 species) than in autumn (14 species). Urban habitat, in contrast to the for
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Clark, Robert G., and Patrick J. Weatherhead. "The effect of fine-scale variations in agricultural land use on the abundance of red-winged blackbirds." Canadian Journal of Zoology 64, no. 9 (September 1, 1986): 1951–55. http://dx.doi.org/10.1139/z86-293.

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We used censuses of breeding red-winged blackbirds (Agelaius phoeniceus) and of land use to test the prediction that blackbirds should be most abundant where there is a mix of hayfield (breeding habitat) and corn production (feeding habitat) but fewer birds where either habitat predominates. Red-winged blackbird abundance increased in response to increases in both hayfields and cropland. Multivariate analysis including hayfield, cropland, and wetland abundance as explanatory variables explained substantially more variation in blackbird abundance than any of the variables could by themselves. A
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Picman, Jaroslav, Stanislav Pribil, and Andre Isabelle. "Antipredation Value of Colonial Nesting in Yellow-Headed Blackbirds." Auk 119, no. 2 (April 1, 2002): 461–72. http://dx.doi.org/10.1093/auk/119.2.461.

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Abstract Yellow-headed Blackbirds (Xanthocephalus xanthocephalus) in Manitoba breed in dense colonies in cattail marshes. Their reproductive success is affected mainly by predation. The most important predator on blackbird nests is the Marsh Wren (Cistothorus palustris), which breaks blackbird eggs and kills small nestlings. We examined whether colonial nesting in Yellow-headed Blackbirds may represent an adaptation to reduce Marsh Wren predation. Marsh Wren predation may be reduced by (1) mutual nest defense by adult blackbirds, (2) predator satiation or dilution, or (3) selfish-herd effects.
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Sakhvon, Vital V. "NESTING FEATURES OF BLACKBIRD (TURDUS MERULA) IN URBAN GREEN SPACES IN MINSK." Journal of the Belarusian State University. Ecology., no. 4 (December 25, 2021): 46–53. http://dx.doi.org/10.46646/2521-683x/2021-4-46-53.

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Synurbic populations of birds are characterized by specific features that differ from those of wild populations of the same species, which is the result of adaptation to living in cities. The paper analyses some parameters of breeding of the Blackbird (Turdus merula) in two park in Minsk and compares them with the breeding biology of wild Blackbirds in natural habitats. During the years 2015-2017 and 2019-2021, 74 nests of urban Blackbird were obtained. For comparison, data on 245 nest of this species in natural landscapes were used.As a result, it was found that the nest selection in urban Bl
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PARFITT, DAN E., and GREGORY J. FOX. "GENETIC SOURCES OF RESISTANCE TO BLACKBIRD PREDATION IN SUNFLOWER." Canadian Journal of Plant Science 66, no. 1 (January 1, 1986): 19–23. http://dx.doi.org/10.4141/cjps86-003.

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Fifty-one sunflower (Helianthus annuus L.) inbreds were grown at three environments (locations) in North Dakota. Inbreds at two locations were subjected to naturally occurring bird predation by redwinged blackbirds (Agelaius phoeniceus L.) and yellowheaded blackbirds (Xanthocephalus xanthocephalus Bonaparte). The third sunflower plot was surrounded by a cage into which redwinged blackbirds were introduced. Bird damage was estimated as percent achenes removed from individual sunflower heads. Significant differences among environments were observed (P < 0.01). However, genotype performance am
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Wang, Yanping, Qin Huang, Sisi Lan, Qin Zhang, and Shuihua Chen. "Common blackbirds Turdus merula use anthropogenic structures as nesting sites in an urbanized landscape." Current Zoology 61, no. 3 (June 1, 2015): 435–43. http://dx.doi.org/10.1093/czoolo/61.3.435.

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Abstract The common blackbird Turdus merula is one of the most highly urbanized bird species. However, to date, the use of anthropogenic structures as nesting sites in the common blackbird is rarely documented, and the factors influencing its use of the anthropogenic structures as nesting sites remain unclear. In this study, we systematically quantified and determined the factors influencing the use of anthropogenic structures as nesting sites in common blackbirds in a highly urbanized city of Hangzhou, China. We searched for nests of common blackbirds during four breeding seasons from 2010 to
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Hönig, Vaclav, Martin Palus, Tomas Kaspar, Marta Zemanova, Karolina Majerova, Lada Hofmannova, Petr Papezik, et al. "Multiple Lineages of Usutu Virus (Flaviviridae, Flavivirus) in Blackbirds (Turdus merula) and Mosquitoes (Culex pipiens, Cx. modestus) in the Czech Republic (2016–2019)." Microorganisms 7, no. 11 (November 16, 2019): 568. http://dx.doi.org/10.3390/microorganisms7110568.

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Usutu virus (USUV) is a flavivirus (Flaviviridae: Flavivirus) of an African origin transmitted among its natural hosts (diverse species of birds) by mosquitoes. The virus was introduced multiple times to Europe where it caused mortality of blackbirds (Turdus merula) and certain other susceptible species of birds. In this study, we report detection of USUV RNA in blackbirds, Culex pipiens and Cx. modestus mosquitoes in the Czech Republic, and isolation of 10 new Czech USUV strains from carcasses of blackbirds in cell culture. Multiple lineages (Europe 1, 2 and Africa 3) of USUV were found in bl
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Langston, Lee S. "Powering Out of Trouble." Mechanical Engineering 135, no. 12 (December 1, 2013): 36–41. http://dx.doi.org/10.1115/1.2013-dec-3.

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This article presents a study of Pratt & Whitney’s J58, till date the best and high-powered engine for manufacturing lessons required for the development of F35 Joint Strike Fighter. The J58 Blackbird engine is a variable cycle engine, a turbojet/ramjet combined-cycle engine. It is a conventional afterburning turbojet for take-off and transonic flight, and it approximates a ramjet during high-speed supersonic cruise. The power plant for the Blackbirds is a marvelous development on the part of Pratt & Whitney, as it is the only engine of its kind in the world. The noise and vibration fr
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Wohner, Patricia J., Carol R. Foss, and Robert J. Cooper. "Rusty Blackbird Habitat Selection and Survivorship during Nesting and Post-Fledging." Diversity 12, no. 6 (June 2, 2020): 221. http://dx.doi.org/10.3390/d12060221.

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Rusty blackbird (Euphagus carolinus) populations have declined dramatically since the 1970s and the cause of decline is still unclear. As is the case for many passerines, most research on rusty blackbirds occurs during the nesting period. Nest success is relatively high in most of the rusty blackbird’s range, but survival during the post-fledging period, when fledgling songbirds are particularly vulnerable, has not been studied. We assessed fledgling and adult survivorship and nest success in northern New Hampshire from May to August in 2010 to 2012. We also assessed fledgling and adult post-f
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Teses / dissertações sobre o assunto "Blackbirds"

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Desrochers, Andre. "Age and reproduction in European blackbirds, Turdus merula." Thesis, University of Cambridge, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.386029.

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Glassey, Barb C. "Resource competition among nestling red-winged blackbirds (agelaius phoeniceus)." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape2/PQDD_0021/NQ57508.pdf.

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Milks, Maynard. "Female choice and polygyny in red-winged blackbirds, Agelaius phoeniceus." Thesis, University of Ottawa (Canada), 1988. http://hdl.handle.net/10393/5464.

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Hill, Ian Franklin. "Post-nestling mortality and dispersal in Blackbirds and Song Thrushes." Thesis, University of Oxford, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.298192.

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Muma, Katherine Elizabeth Carleton University Dissertation Biology. "Sexual selection and plumage variation in female red-winged blackbirds." Ottawa, 1987.

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Shutler, Dave (David Edward) Carleton University Dissertation Biology. "Dynamics of territory acquisition in red-winged blackbirds, Agelaius phoeniceus." Ottawa, 1991.

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Dufour, Kevin William Carleton University Dissertation Biology. "Symmetry, quality, and sexual success in male red-winged blackbirds." Ottawa, 1996.

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Chamberlain, Daniel. "The factors affecting reproductive success and breeding density in a rural population of blackbirds, Turdus merula L." Thesis, University of Oxford, 1994. http://ora.ox.ac.uk/objects/uuid:640a7ef4-ef7c-49fc-87ec-dd3f4accd108.

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The aim of this thesis was to identify the factors determining reproductive success and breeding density in a rural population of blackbirds occupying contiguous woodland and farmland habitats. Once these factors were identified, an attempt was made to assess the quality of the two habitats in terms of reproductive success. Predation was the major factor affecting reproductive success. There were no significant effects of habitat on predation when habitat was defined as farmland, woodland and woodland edge. When defined in terms of nesting density, high density 'hot-spot' areas had significant
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Metz, Karen Jennifer Carleton University Dissertation Biology. "Coloured bands, coverable badges, and sexual selection in red-winged blackbirds." Ottawa, 1991.

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Friedman, Nicholas R. "The evolution of carotenoid coloration and pigmentation in the New World blackbirds." Thesis, University of Maryland, Baltimore County, 2013. http://pqdtopen.proquest.com/#viewpdf?dispub=3563319.

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<p> Plumage color evolution in birds has been the focus of theoretical and empirical research on sexual selection since Darwin. Many of the yellow, orange, and red hues seen in bird plumage are the result of carotenoid pigmentation. While a great number of recent studies have examined the functions of carotenoid-based plumage coloration in a single species, few have examined the evolutionary history of this trait in a comparative phylogenetic context. Using the New World blackbirds as a model clade, I focus on two questions that a comparative phylogenetic approach can uniquely address. First,
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Livros sobre o assunto "Blackbirds"

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Walker, Colin Roland. Blackbirds. Bothell, WA: Wright Group, 1989.

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Company, London Bubble Theatre, ed. Blackbirds. London]: Bloomsbury, 2017.

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Peck, George K. Blackbirds. Mankato, Minn: Smart Apple Media, 1998.

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R, Jenkins Dennis, ed. Lockheed Blackbirds. North Branch, MN: Specialty Press, 2004.

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E, Davies Peter, ed. Lockheed blackbirds. Surrey: I. Allan, 1988.

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Boyd, Martin. When blackbirds sing. Ringwood, Vic: Penguin, 1993.

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Ledbetter, Ken. Too many blackbirds. Kitchener, Ont: The Occasional Press, 1993.

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Blackbirds: A novel. Edmonton: NeWest Press, 2012.

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Deahl, James. Blackbirds: War poems. Hamilton, Ont: UnMon Northland, 1999.

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O'Gorman, Mary. Barking at blackbirds. Cork: Bradshaw Books, 2001.

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Capítulos de livros sobre o assunto "Blackbirds"

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Petrou, Kirstie, and John Connell. "The New Blackbirds?" In Pacific Islands Guestworkers in Australia, 385–428. Singapore: Springer Nature Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-5387-3_11.

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Hall, Martin. "Blackbirds and Black Butterflies." In Refiguring the Archive, 333–61. Dordrecht: Springer Netherlands, 2002. http://dx.doi.org/10.1007/978-94-010-0570-8_19.

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Twedt, Daniel J. "Ecology of Yellow-Headed Blackbirds." In Ecology and Management of Blackbirds (Icteridae) in North America, 43–64. Boca Raton: CRC Press, 2017.: CRC Press, 2017. http://dx.doi.org/10.4324/9781315156439-3.

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Linz, George M., Page E. Klug, and Richard A. Dolbeer. "Ecology and Management of Red-Winged Blackbirds." In Ecology and Management of Blackbirds (Icteridae) in North America, 17–42. Boca Raton: CRC Press, 2017.: CRC Press, 2017. http://dx.doi.org/10.4324/9781315156439-2.

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Linz, George M., and Page E. Klug. "Strategies for Evading Blackbird Damage." In Ecology and Management of Blackbirds (Icteridae) in North America, 175–90. Boca Raton: CRC Press, 2017.: CRC Press, 2017. http://dx.doi.org/10.4324/9781315156439-10.

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Dale, Jocelyn R. "A Bivariate Discrete Model of Changing Colour in Blackbirds." In Statistics in Ornithology, 25–35. New York, NY: Springer New York, 1985. http://dx.doi.org/10.1007/978-1-4612-5138-5_3.

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Klug, Page E. "The Future of Blackbird Management Research." In Ecology and Management of Blackbirds (Icteridae) in North America, 217–34. Boca Raton: CRC Press, 2017.: CRC Press, 2017. http://dx.doi.org/10.4324/9781315156439-13.

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Dolbeer, Richard A. "Dynamics and Management of Blackbird Populations." In Ecology and Management of Blackbirds (Icteridae) in North America, 119–34. Boca Raton: CRC Press, 2017.: CRC Press, 2017. http://dx.doi.org/10.4324/9781315156439-7.

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Shwiff, Stephanie A., Karina L. Ernest, Samantha L. Degroot, Aaron M. Anderson, and Steven S. Shwiff. "The Economic Impact of Blackbird Damage to Crops." In Ecology and Management of Blackbirds (Icteridae) in North America, 207–16. Boca Raton: CRC Press, 2017.: CRC Press, 2017. http://dx.doi.org/10.4324/9781315156439-12.

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Forcey, Greg M., and Wayne E. Thogmartin. "Effects of Habitat and Climate on Blackbird Populations." In Ecology and Management of Blackbirds (Icteridae) in North America, 101–18. Boca Raton: CRC Press, 2017.: CRC Press, 2017. http://dx.doi.org/10.4324/9781315156439-6.

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Trabalhos de conferências sobre o assunto "Blackbirds"

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Carpenter, Buz. "Kelly's greatest challenge - the blackbirds." In 2017 Integrated Communications, Navigation and Surveillance Conference (ICNS). IEEE, 2017. http://dx.doi.org/10.1109/icnsurv.2017.8012052.

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"Kelly's greatest challenge — The Blackbirds." In 2012 IEEE/AIAA 31st Digital Avionics Systems Conference (DASC). IEEE, 2012. http://dx.doi.org/10.1109/dasc.2012.6383139.

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Towhidnejad, Massood, and Jayson Clifford. "Blackbird Unmanned Aircraft System." In AIAA Infotech@Aerospace Conference. Reston, Virigina: American Institute of Aeronautics and Astronautics, 2009. http://dx.doi.org/10.2514/6.2009-1900.

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Nahon, Meyer, Zihao Zhuo, Shengan Yang, Inna Sharf, Rick Cavallaro, and Stephen Morris. "Modeling of the Blackbird Wind-Powered Ground Vehicle." In AIAA SCITECH 2023 Forum. Reston, Virginia: American Institute of Aeronautics and Astronautics, 2023. http://dx.doi.org/10.2514/6.2023-0910.

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Berg, Thomas, and Peter N. Belhumeur. "How Do You Tell a Blackbird from a Crow?" In 2013 IEEE International Conference on Computer Vision (ICCV). IEEE, 2013. http://dx.doi.org/10.1109/iccv.2013.9.

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Merlin, Peter. "Design and Development of the Blackbird: Challenges and Lessons Learned." In 47th AIAA Aerospace Sciences Meeting including The New Horizons Forum and Aerospace Exposition. Reston, Virigina: American Institute of Aeronautics and Astronautics, 2009. http://dx.doi.org/10.2514/6.2009-1522.

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"BLACKBIRD MONITORING SYSTEM - Performance Analysis and Monitoring in Information Systems." In 4th International Conference on Web Information Systems and Technologies. SciTePress - Science and and Technology Publications, 2008. http://dx.doi.org/10.5220/0001529100460053.

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Mixon, Bryan, and Bernd Chudoba. "The Lockheed SR-71 Blackbird - A Senior Capstone Re-Engineering Experience." In 45th AIAA Aerospace Sciences Meeting and Exhibit. Reston, Virigina: American Institute of Aeronautics and Astronautics, 2007. http://dx.doi.org/10.2514/6.2007-698.

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Lawler, Christopher R., Forrest L. Ridenhour, Shaheer A. Khan, Nicholas M. Rossomando, and Ansel Rothstein-Dowden. "Blackbird: Object-Oriented Planning, Simulation, and Sequencing Framework Used by Multiple Missions." In 2020 IEEE Aerospace Conference. IEEE, 2020. http://dx.doi.org/10.1109/aero47225.2020.9172680.

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Xue, Hui, H. Khawaja, and M. Moatamedi. "Conceptual design of high speed supersonic aircraft: A brief review on SR-71 (Blackbird) aircraft." In 10TH INTERNATIONAL CONFERENCE ON MATHEMATICAL PROBLEMS IN ENGINEERING, AEROSPACE AND SCIENCES: ICNPAA 2014. AIP Publishing LLC, 2014. http://dx.doi.org/10.1063/1.4904694.

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Relatórios de organizações sobre o assunto "Blackbirds"

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Dolbeer, Richard A., and George M. Llnz. Blackbirds. U.S. Department of Agriculture, Animal and Plant Health Inspection Service, August 2016. http://dx.doi.org/10.32747/2016.7207732.ws.

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The term blackbird loosely refers to a diverse group of about 10 species of North American birds that belong to the avian family Icteridae. The most common species include: Red-winged blackbird (Agelaius phoeniceus, Common grackle (Quiscalus quiscula), Great-tailed grackle (Quiscalus mexicanus), Brown-headed cowbird (Molothrus ater), Yellow-headed blackbird (Xanthocephalus xanthocephalus), Brewer’s blackbird (Euphagus cyanocephalus), and Rusty blackbird (Euphagus carolinus). They can cause damage to crops and fruits. Some of them may cause damage to livestock feed in feedlots and some of them
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Luke Douglas, Luke Douglas. Can intensive forestry benefit the threatened Rusty Blackbird? Experiment, January 2019. http://dx.doi.org/10.18258/12619.

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Matsuoka, Steven M., David Shaw, and Jim A. Johnson. Assessing the Value of Department of Defense Lands in Alaska to a Declining Species, the Rusty Blackbird. Fort Belvoir, VA: Defense Technical Information Center, February 2008. http://dx.doi.org/10.21236/ada534756.

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Driver, Crystal, Anne Jarrell, Jennifer Ollero, Brett Tiller, and Robert Fulton. Effects of Fog Oil Smoke on Immune Responses in the House Sparrow (Passer domesticus) and Red-winged Blackbird (Agelaius phoeniceus). Fort Belvoir, VA: Defense Technical Information Center, September 2004. http://dx.doi.org/10.21236/ada430765.

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Brenan, J. M., K. Woods, J. E. Mungall, and R. Weston. Origin of chromitites in the Esker Intrusive Complex, Ring of Fire Intrusive Suite, as revealed by chromite trace element chemistry and simple crystallization models. Natural Resources Canada/CMSS/Information Management, 2021. http://dx.doi.org/10.4095/328981.

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To better constrain the origin of the chromitites associated with the Esker Intrusive Complex (EIC) of the Ring of Fire Intrusive Suite (RoFIS), a total of 50 chromite-bearing samples from the Black Thor, Big Daddy, Blackbird, and Black Label chromite deposits have been analysed for major and trace elements. The samples represent three textural groups, as defined by the relative abundance of cumulate silicate phases and chromite. To provide deposit-specific partition coefficients for modeling, we also report on the results of laboratory experiments to measure olivine- and chromite-melt partiti
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Geologic map of the Blackbird Mountain Quadrangle, Lemhi County, Idaho. US Geological Survey, 2000. http://dx.doi.org/10.3133/i2728.

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Geologic map of the Blackbird Mountain 15-minute Quadrangle, Lemhi County, Idaho. US Geological Survey, 1993. http://dx.doi.org/10.3133/mf2234.

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