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Academic literature on the topic 'Yellowhammer'

Author: Grafiati

Published: 4 June 2021

Last updated: 6 February 2022

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Journal articles on the topic "Yellowhammer"

1

Sledge, John S. "The Yellowhammer War." Alabama Review 67, no. 4 (2014): 407–12. http://dx.doi.org/10.1353/ala.2014.0037.

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Procházka, Petr, and Marcel Honza. "EGG DISCRIMINATION IN THE YELLOWHAMMER." Condor 106, no. 2 (2004): 405. http://dx.doi.org/10.1650/7365.

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Procházka, Petr, and Marcel Honza. "Egg Discrimination in the Yellowhammer." Condor 106, no. 2 (May 1, 2004): 405–10. http://dx.doi.org/10.1093/condor/106.2.405.

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Abstract In a coevolutionary arms race between a brood parasite and its host, both species evolve adaptations and counteradaptations, such as egg mimicry and egg discrimination. The Yellowhammer (Emberiza citrinella) is a minor host of the Common Cuckoo (Cuculus canorus) in Europe. We studied egg discrimination in the Yellowhammer in the Czech Republic where it is parasitized only occasionally. To investigate host responses to parasitic eggs, we added either a nonmimetic (blue) or a mimetic (conspecific) egg to 50 nests. The hosts rejected nonmimetic eggs at a higher rate (92%) than mimetic eggs (32%). Neither intraclutch variation nor contrast between mimetic and host eggs had a significant effect on rejection behavior. There is no evidence for intraspecific brood parasitism in this species. The ability to reject mimetic eggs has therefore most likely evolved as an adaptation against interspecific brood parasitism and may be the reason why the Yellowhammer is parasitized only occasionally. Discriminación de Huevos en Emberiza citrinella Resumen. En una carrera armamentista co-evolutiva entre un ave parásita y su hospedador es previsible que ambas especies desarrollen adaptaciones y contraadaptaciones tales como el ovomimetismo y la ovodiscriminación. Emberiza citrinella es un huésped menor de Cuculus canorus en Europa. Estudiamos la capacidad discriminatoria de los huevos, por parte de Emberiza citrinella, en la República Checa, donde la especie es parasitada sólo ocasionalmente. Con objeto de investigar la respuesta del hospedador a los huevos parásitos, añadimos un huevo no mimético (azul) o uno mimético (coespecífico) a 50 nidos. El hospedador rechazó los huevos no miméticos en una proporción más elevada (92%) que los miméticos (32%). Ni la variación de la apariencia del huevo dentro de la puesta, ni el contraste entre los huevos miméticos y los del hospedador, parecen tener algún efecto significativo en el comportamiento de rechazo. No hay evidencias de la existencia de parasitismo intraespecífico en esta especie. Por tanto, la habilidad de Emberiza citrinella para rechazar huevos miméticos probablemente ha evolucionado como una adaptación contra el parasitismo interespecífico y esta puede ser la razón de por qué la especie es parasitada sólo de manera ocasional.

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Čapek, Miroslav, Marcel Honza, and Vojtěch Mrlík. "Female Blackcap Adoption of a Yellowhammer Clutch." Wilson Bulletin 112, no. 4 (December 2000): 542–43. http://dx.doi.org/10.1676/0043-5643(2000)112[0542:fbaoay]2.0.co;2.

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Hafstad, Inge, and Geir Rudolfsen. "Yellowhammer Emberiza citrinella nesting in reed Phragmites australis." Ornis Norvegica 27 (January 1, 2004): 60. http://dx.doi.org/10.15845/on.v27i0.202.

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Antonov, Anton, Bård G. Stokke, Arne Moksnes, and Eivin RØskaft. "Coevolutionary Interactions Between Common Cuckoos and Corn Buntings." Condor 108, no. 2 (May 1, 2006): 414–22. http://dx.doi.org/10.1093/condor/108.2.414.

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Abstract Although Old World buntings (Emberizinae) may be considered suitable Common Cuckoo (Cuculus canorus) hosts, there is at present no evidence that any of the European species are regularly parasitized. Most historical parasitism records refer to the Yellowhammer (Emberiza citrinella) and Reed Bunting (E. schoeniclus). Both of these species reject almost 100% of experimentally added nonmimetic eggs, and also a considerable proportion of experimentally added conspecific eggs, showing exquisite egg discrimination abilities. In this paper, we report Common Cuckoo parasitism and egg rejection behavior in a Bulgarian population of another Old World Emberizinae, the Corn Bunting (Miliaria calandra). We found this species was regularly parasitized (9%, 8 of 90 nests) and that the parasitism rate was consistent among the three years of our study. Naturally laid Common Cuckoo eggs were fairly good mimics of host eggs and most were accepted (5 of 7). The Corn Bunting proved to be a suitable Common Cuckoo host as we recorded a successfully fledged cuckoo chick. Unlike Yellowhammers and Reed Buntings, Corn Buntings rejected only 42% (16 of 38) of experimentally introduced nonmimetic model Common Cuckoo eggs and none of the experimentally introduced conspecific eggs (n = 13). Parasitized nests had more and higher trees in the vicinity than unparasitized nests and breeding habitat characteristics may explain the difference in egg discrimination abilities between Corn Buntings and other Old World Emberizinae.

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7

Sundberg, Jan. "Absence of Mate Guarding in the Yellowhammer (Emberiza citrinella)?" Ethology 92, no. 3 (April 26, 2010): 242–56. http://dx.doi.org/10.1111/j.1439-0310.1992.tb00963.x.

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Morris, Antony J., Jeremy D. Wilson, Mark J. Whittingham, and Richard B. Bradbury. "Indirect effects of pesticides on breeding yellowhammer (Emberiza citrinella)." Agriculture, Ecosystems & Environment 106, no. 1 (March 2005): 1–16. http://dx.doi.org/10.1016/j.agee.2004.07.016.

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9

van der Veen, Ineke. "Seeing is believing: information about predators influences yellowhammer behavior." Behavioral Ecology and Sociobiology 51, no. 5 (April 1, 2002): 466–71. http://dx.doi.org/10.1007/s00265-002-0464-4.

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10

Sundberg, Jan. "Paternity Guarding in the Yellowhammer Emberiza citrinella: A Detention Experiment." Journal of Avian Biology 25, no. 2 (June 1994): 135. http://dx.doi.org/10.2307/3677032.

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Dissertations / Theses on the topic "Yellowhammer"

1

Chappell, Carrie. "Yellowhammer." ScholarWorks@UNO, 2013. http://scholarworks.uno.edu/td/1618.

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2

Henderson, G. "Ecology of the Yellowhammer Emberiza citrinella in a mixed agricultural habitat." Thesis, Queen's University Belfast, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.411195.

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3

Anderson, Dawn E. "Yellowhammer (Emberiza citrinella) ecology in an intensive pastoral dominated farming landscape." Thesis, University of Glasgow, 2014. http://theses.gla.ac.uk/5356/.

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Farmland birds in Europe have declined as agriculture has intensified, with granivorous specialists disproportionately affected. Despite grassland based farming being widespread, farmland bird research to date has focussed on mixed and arable farms. Yellowhammers are a red-listed species in the UK. This study investigated year round habitat requirements, diet, and movements of yellowhammers at four grassland dominated farms in Ayrshire, Scotland. Data were obtained via field surveys and trials, radio-tracking and faecal analysis. Fine scale breeding season foraging habitat requirements were studied by comparing invertebrate and vegetation communities at foraging sites with paired controls across all four farms. A small scale winter supplementary feeding trial was conducted on one farm. Breeding yellowhammers were distributed throughout the study sites; average density was low at 0.11 pairs per hectare (range 0.06 to 0.15), half the densities reported in arable and mixed regions. Yellowhammers preferentially foraged within 10m of field margins. Grassland summer foraging sites contained significantly higher invertebrate diversity and more large invertebrates than control sites. Faecal analysis revealed that adults ate significantly more cereal than nestlings, with both including more invertebrate material than observed in previous studies. Diptera, Coleoptera and Araneae were key orders, with Lepidoptera larvae additionally important for nestlings. A low proportion of cereal was found in nestling diet, suggesting that the invertebrate dominated diet provided was of high quality. In contrast to summer diet, and despite grassland being the dominant habitat, cereal dominated winter diet; grass seeds and invertebrates accounted for <1% of diet in winter. Winter yellowhammer density at each farm was positively correlated with stubble availability. Radio-tracking found yellowhammers significantly selected stubble in early winter and game managed habitat in late winter. Supplementary feeding attracted an estimated 247 to 267 yellowhammers at a site where the previous year’s winter surveys recorded only 5 birds despite holding a good breeding population. Survival rates of 1st years at the supplementary fed site appeared higher than elsewhere in the landscape, and a small increase in breeding density was observed post feeding. As winter progressed, the use of the grain provided increased, suggesting that the late winter period was the most crucial time for the birds regarding food supply. Providing supplementary food represents a cheap and easy solution that could be utilised by agri-environment schemes to tackle late winter farmland bird food shortages. Alternatively, increasing winter stubble in grassland dominated regions should provide additional biodiversity benefits associated with increased landscape heterogeneity as well as increased winter food availability. This study highlights differences in breeding density, habitat selection, movements and diet of yellowhammers on grassland farms compared to arable and mixed farm populations. Restricted winter stubble habitat limits winter food availability, and hence the likely overall size of the population able to subsist in this habitat.

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MacLeod, Catriona J. "Breeding ecology of the farmland yellowhammer (Emberiza citrinella) : a Scottish case study." Thesis, University of Dundee, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.421376.

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Csiki, Krisztina. "The effect of habitat type on farmland bird populations : In Tarnava Mare Natura2000 reserve, Romania." Thesis, Uppsala universitet, Institutionen för biologisk grundutbildning, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-410034.

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Widespread extinction is a critical threat to biodiversity and is largely caused by human overexploitation of habitat and populations. A widely used and hence well studied organism group for indication of biodiversity is birds. In Europe especially, farmland specialists have suffered from intensified agricultural practices such as increase of monoculture, use of pesticides, and heavy machinery. This has been shown to be partly caused by an EU legislation called the Common Agricultural Policy (CAP). A specific type of farmland, termed High Nature Value (HNV) farmland, seems to be particularly advantageous for farmland specialist birds and makes up an important conservation target. The current study was done in the Natura2000 reserve Târnava Mare, Romania, to find out which habitat types play an essential role for occurrence of farmland species. Farmlands in Târnava Mare are highly diverse in structure, characterizing a mosaic of grassland, meadows and fields, and low-intensity farming practices. With bird point count survey data from 2015 to 2019, I evaluated the effect of different habitat types on five species listed in the Farmland Bird Indicator (FBI) and as farmland specialists: red-backed shrike (Lanius collurio), yellowhammer (Emberiza citrinella), Eurasian skylark (Alauda arvensis), Eurasian tree sparrow (Passer montanus), and common whitethroat (Sylvia communis). I compared habitat proportion in presence and absence of the species for 2019’s data with Mann-Whitney tests. They all showed significant results for meadow proportion. All species except the common whitethroat showed significant results for crop proportion, while only two species (red-backed shrike and yellowhammer) showed significant results for scrub. Independent of which habitat type was tested (meadow, crop or scrub), all species with significant result – except for Eurasian skylark with a negative relationship in crop habitat - showed a positive response to a higher proportion of the tested habitat. The same species except Eurasian tree sparrow were modelled with the generalized N-mixture model of Dail and Madsen (2011) to evaluate what is influencing abundance, recruitment rates, survival probabilities and detectability over five years. The day of the season affected the detectability of almost all species. The effect of habitat on recruitment rate and survival probability, however, could only be shown for yellowhammer. For the latter, proportion of meadow affected recruitment and proportion of reed affected survival. In conclusion, the presence of species seems to be generally higher in habitats associated with low-intensity farming on the single season scale. Over time, however, a significant effect on population dynamic parameters for the same species could not be shown for most species. This could be a result of insufficient data for each year, too few years of data, or that the tested habitat types are not affecting these parameters over time.

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6

Douglas, David James Thomas. "Insect availability for breeding yellowhammers on lowland farmland." Thesis, University of Leeds, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.485178.

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Granivorous farmland passerines have declined in Europe as a result of agricultural intensification. Many of these species' require insects during the breeding season, the availability of which has declined in recent decades, potentially impacting on demographic rates via reduced adult foraging efficiency. Sympathetic management of foraging habitats may be crucial in promoting population recovery of farmland birds. This requires data on .the underlying food availability and the way in which birds' exploit these resources. The foraging behaviour of a key granivorous passerine, the yellowhammer Emberiza citrinella, was investigated during the breeding season in relation to insect abu'ndance and accessibility in key foraging habitats (cereal crops and field margins). Insect abundance differed temporally between crop types under varying management, due in part to the timing of crop development. Insect distribptions exhibited considerable spatial heterogeneity within cereal crops, with evidence of localised aggregations. , Field margins were used heavily by foraging yellowhammers in early summer. However, margin use declined in late summer, with a marked shift to cereal crops. This shift occurred despite margins supporting higher insect abundance than cereals, and was most likely due to seasonal vegetation growth within margins, restricting accessibility to insects. At a finer patch-scale, yellowhammers selected foraging sites with short, sparse vegetation and high insect abundance.' These results suggest that accessibility to food, mediated by vegetation structure, is an important determinant of habitat selection at both the habitat and patch scale. Field margins were experimentally cut to create open patches,within the sward, and the response of foraging yellowhainmers tested. The use of such patches increased between early and late summer, and patches were used more frequently as vegetation height increased in the adjacent margin. These results suggest that open patches within tall, dense swards may increase accessibility to food for foraging birds. Nestling provisioning rates and body condition were significantly higher in the presence of experimental m'argin patches, possibly indicating that such patches may enable greater adult foraging efficiency. The posi~ive response of yellowhammers to margin manipulations suggests that creating heterogeneity in vegetation structure within a habitat may be a means for enhancing food availability for farmland birds. Field margins managed within agri-environment schemes may requ'ire more' frequent, targeted cutting to ensure accessibility to insects for foraging birds in late summer.

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7

Buckingham, David L. "The effects of food abundance, sward structure and management on foraging by yellowhammers on agricultural grasslands." Thesis, University of Reading, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.428303.

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8

Pipek, Pavel. "Jak se ze strnada obecného stal Kiwi: příběhy zrozené na pomezí bioakustiky a ekologie invazí." Doctoral thesis, 2017. http://www.nusl.cz/ntk/nusl-357714.

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The presented thesis exploits the introduction of the yellowhammer (Emberiza citrinella) to New Zealand to study the cultural evolution of birdsong dialects in exotic populations after 140 years of complete isolation from the original source populations in Great Britain. The data are interpreted with detailed knowledge of yellowhammer past in New Zealand and of the global (Europe) and regional (Czech Republic) distribution of yellowhammer dialects. Yellowhammer song is simple and males have very limited repertoire. Since the 19th cen- tury it is known that despite its simplicity the song exhibits fascinating geographical variation; the males share the terminal notes to create mosaic-like distribution of dialects. Although this phenomenon has been known for decades and thoroughly studied, many questions remain. One of them is a suspected border between "western" and "eastern" groups of dialects. By combining information about the dialect distributions obtained from works of previous researchers with recordings from online repositories and archives we demonstrate that these groups do not create macrogeographical patterns (Chapter 6). The citizen-science project "Dialects of the Czech Yellowhammers" involved Czech cit- izens in mapping the distribution of yellowhammer dialects in the Czech territory....

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Bílková, Jana. "Mezipopulační variabilita zpěvu strnada obecného: příčiny a důsledky." Master's thesis, 2015. http://www.nusl.cz/ntk/nusl-343813.

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The inter-population geographic song variability can be found in many bird species. One of the most interesting types are dialects, characterized by sharp boundaries between populations of individuals sharing the same particular song type. Despite many years of investigation there is no satisfactory answer to the question how these borders persist over the years at nearly same sites. Distinctions between dialects allow recognition of males from different populations and could influence the territorial behaviour. Various habitats, however, degrade the sound differently; it is therefore possible that specific habitats are preferred by individuals with specific dialects. Both social interactions and acoustic properties of the locality could also be only secondary factors and the dialect distribution could be the result of the habitat distribution either in present or in recent past. In this diploma thesis, several hypotheses were tested on the example of Yellowhammer (Emberiza citrinella) - a songbird abundant in open land with simple song and easily recognizable dialects. The thorough data concerning the habitats and dialect distribution were obtained at the dialect borders at two localities in Czech Republic. The reactions of territorial males to both foreign and their own dialects were also...

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Kubátová, Hana. "Vliv atrapy na chování samců strnada obecného a budníčka menšího v playbackových experimentech." Master's thesis, 2021. http://www.nusl.cz/ntk/nusl-446275.

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A playback experiment in which a recording of vocalization is played to the tested subject and its response is observed, is a widely used tool for examining bird song and its functions. Most often only acoustic stimulus is used, but sometimes a visual stimulus is also provided in the form of a dummy. Taxidermic mounts or models made from different materials are used as the dummy. It is discussed among researchers, whether it is or is not necessary to use a dummy in experiments and how does its presence affect behavior of the tested individuals. However, only few studies directly focus on this issue and test the effect of dummies. The best way to test the effects of a dummy on passerines in playback experiments is to test the same individuals in both situations (with a dummy and without a dummy) and compare the reactions. The aim of this theses was to perform such experiments on Chiffchaff (Phylloscopus collybita) and Yellowhammer (Emberiza citrinella) males and to find out whether they would behave similarly in both variants of the experiment, or if their reaction would be enhanced in the presence of a dummy. Chiffchaffs reacted significantly more aggressively in the dummy experiment. The biggest difference was time spent by attacking the dummy and staying close to it. In Yellowhammers, the dummy...

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Books on the topic "Yellowhammer"

1

Alabama: The Yellowhammer State. New York, NY: AV2 by Weigl, 2012.

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2

ill, Burn Ted 1940, ed. Y is for Yellowhammer: An Alabama alphabet. Chelsea, Mich: Sleeping Bear Press, 2003.

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3

Yellowhammer. Quercus, 2020.

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Yellowhammer. Quercus, 2018.

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5

Big Als Journey Through the Yellowhammer State. Mascot Books, 2008.

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Burnett, Lonnie A., Kenneth W. Noe, Jason J. Battles, and Harriet E. Amos Doss. Yellowhammer War: The Civil War and Reconstruction in Alabama. University of Alabama Press, 2019.

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Yellowhammer War: The Civil War and Reconstruction in Alabama. University of Alabama Press, 2014.

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Indians of Alabama: Guide to the Indian Tribes of The Yellowhammer State. Backintyme Publishing, 2016.

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Veen, Ineke T. Van Der. Trade-Off Between Starvation and Predation: Weight-Watching in Yellowhammers (Comprehensive Summaries of Uppsala Dissertations, 487). Uppsala Universitet, 1999.

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Jennings, Katherine Rachel. A radio-telemetry study of habitat selection by linnets and yellowhammers on arable farmland during the breeding season. [S.l.], 2000.

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