Academic literature on the topic 'Reed warbler'

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Journal articles on the topic "Reed warbler"

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Davies, N. B., J. R. Madden, S. H. M. Butchart, and J. Rutila. "A host-race of the cuckoo Cuculus canorus with nestlings attuned to the parental alarm calls of the host species." Proceedings of the Royal Society B: Biological Sciences 273, no. 1587 (December 6, 2005): 693–99. http://dx.doi.org/10.1098/rspb.2005.3324.

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The common cuckoo has several host-specific races, each with a distinctive egg that tends to match its host's eggs. Here, we show that the host-race specializing on reed warblers also has a host-specific nestling adaptation. In playback experiments, the nestling cuckoos responded specifically to the reed warbler's distinctive ‘churr’ alarm (given when a predator is near the nest), by reducing begging calls (likely to betray their location) and by displaying their orange-red gape (a preparation for defence). When reed warbler-cuckoos were cross-fostered and raised by two other regular cuckoo hosts (robins or dunnocks), they did not respond to the different alarms of these new foster-parents. Instead, they retained a specific response to reed warbler alarms but, remarkably, increased both calling and gaping. This suggests innate pre-tuning to reed warbler alarms, but with exposure necessary for development of the normal silent gaping response. By contrast, cuckoo chicks of another host-race specializing on redstarts showed no response to either redstart or reed warbler alarms. If host-races are restricted to female cuckoo lineages, then chick-tuning in reed warbler-cuckoos must be under maternal control. Alternatively, some host-races might be cryptic species, not revealed by the neutral genetic markers studied so far.
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Hoi, Herbert, Birgit Fessl, and Sonia Kleindorfer. "More Is Not Always Better: Male Incubation in Two Acrocephalus Warblers." Behaviour 132, no. 7-8 (1995): 607–25. http://dx.doi.org/10.1163/156853995x00234.

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AbstractThis study investigates male and female incubation ability in two monogamous Acrocephalus warblers with overlapping, equally sized territories and similar prey abundance. Given the longer breeding time window of the moustached warbler (A. melanopogon) compared with the reed warbler (A. scirpaceus), the trade-off between the need for biparental care and the cost of inefficient incubation is discussed. Hourly protocols and egg temperature measurements were analyzed with regard to four primary questions: male and female incubation ability, the role of environmental parameters, hatching success and the influence of male incubation on female time allocation. In both species, males increase egg temperature per minute at a slower rate than do females. There is no species difference in the percentage of incubation per hour for males (20%) or females (50%). Ambient temperature influences male incubation only in the moustached warbler during the early season (April) when male incubation correlates with hatching success. The male reed warbler shows daily temporal selectivity throughout the breeding season, increased incubation during rainfall, and no correlation with hatching success. In both species, females receive direct benefits of increased foraging time through male incubation. However, only the female reed warbler adjusts her incubation duration to previous male incubation. Thus, female reed warblers maximise the male component and thereby reduce the total incubation phase with high male effort whereas the incubation phase is increased with above average male effort in the moustached warbler.
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Al-Sheikhly, Omar F., Mukhtar K. Haba, Nadheer A. Faza’a, and Ra’ad H. Al-Asady. "First record of colour aberration in Basra Reed Warbler Acrocephalus griseldis (Hartlaub, 1891) (Passeriformes: Acrocephalidae) from Central Marshes of southern Iraq, with notes on its intraspecific/interspecific behavior." Journal of Threatened Taxa 10, no. 13 (November 26, 2018): 12800–12804. http://dx.doi.org/10.11609/jott.4353.10.13.12800-12804.

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Pigment disorders such as albinism, leucism and progressive greying, which cause the absence of melanin pigments in all or parts of the plumage and bare parts, have been reported in many wild bird populations including Acrocephalus warblers. Basra Reed Warbler Acrocephalus griseldis (Hartlaub, 1891) is a restricted-range species confined to the extensive reed beds of Mesopotamian marshes. It is listed as Endangered due to breeding habitat degradation, water scarcity and climate change. In April 2018, a partly white plumaged Basra Reed Warbler was sighted in Central Marshes in southern Iraq. This is the first report of such a plumage aberration in this species. The nature of the aberration involved an intraspecific/interspecific behavior of the white plumaged Basra Reed Warbler are described.
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Morgan, John. "Wing lengths of Clamorous Reed Warblers Acrocephalus stentoreus in Israel." Ring 26, no. 2 (January 1, 2004): 89–92. http://dx.doi.org/10.2478/v10050-008-0067-1.

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Wing lengths of Clamorous Reed Warblers Acrocephalus stentoreus in Israel Wing length measurements taken from first-year, pre- and post-moulting (annual, complete) Clamorous Reed Warblers were recorded at a site in northern Israel. The resulting data set was examined using a time-series of residuals (CUSUM). Results from this analysis can explain the reported heterogeneity found in a comparable data set by Merom et al. (1999). Further observations made in their paper are rebutted: (1) an implied assumption that Reed Warbler (Acrocephalus scirpaceus) spring migration in Israel ends by 1 May is contrary to other publications; (2) the late autumn occurence in N Israel of longer-winged 1st cal. yr. Reed Warblers, unconvincingly explained as either delayed migration by larger individuals or post fledging feather growth, is most likely due to birds from different provenances origins moving at different seasons; (3) growth during adulthood in Reed Warbler is not a new discovery, though presented as such.
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Stêpniewska, Katarzyna, and Agnieszka Ożarowska. "The Eurasian Reed Warbler (Acrocephalus Scirpaceus) Breeding in Egypt – A New Evidence?" Ring 34, no. 1 (December 1, 2012): 45–50. http://dx.doi.org/10.2478/v10050-012-0005-0.

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Abstract Stêpniewska K., O¿arowska A. 2012. The Eurasian Reed Warbler (Acrocephalus scirpaceus)breeding in Egypt - a new evidence? Ring 34: 45-50. To date, the documented breeding range of the Eurasian Reed Warbler in Egypt is limited to the Nile Delta. In March and September 2001 two females with brood patches were caught in the Wadi El Rayan Protected Area (30°19’E, 29°12’N) in the Western Desert of Egypt. These records, if accepted, might shift the southern border of the breeding range of Reed Warblers in Egypt west of the Nile Delta. The two individuals were the only records of breeding Reed Warblers in Wadi El Rayan, suggesting that the breeding population is small. It is possible that the population has been established recently because artificial lakes were created in Wadi El Rayan in 1973. The studies during the breeding season are essential to determine if such probable breeders demonstrate a new, but permanent breeding population or only ephemeral incidents, as well as to collect the data on the number, breeding biology and biometrical characteristics of such local populations at the southern limit of the world breeding range of the Reed Warbler.
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Lindholm, Anna. "TESTS OF PHENOTYPIC PLASTICITY IN REED WARBLER DEFENCES AGAINST CUCKOO PARASITISM." Behaviour 137, no. 1 (2000): 43–60. http://dx.doi.org/10.1163/156853900501863.

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AbstractAs there is geographic and temporal variation in the rate at which reed warblers Acrocephalus scirpaceus are parasitised by the cuckoo Cuculus canorus , phenotypic plasticity of defences against parasitism could be advantageous. Three experiments were conducted using three populations of reed warblers, parasitised by cuckoos to varying degrees, to test if reed warbler defences against parasitism are plastic. In an unparasitised and a rarely parasitised population, attempts to simulate the presence of cuckoos at the nest or in the habitat failed to stimulate an increase in rates of egg rejection. However, three lines of evidence supported the view that both unparasitised and parasitised populations were similarly able to discriminate odd eggs but that there is phenotypic plasticity in the decision to reject those eggs. First, reed warblers at all populations pecked model eggs, thereby indicating recognition of the model egg as a foreign egg, but varied in their tendency to reject them. Second, reed warblers at two populations, one unparasitised and the other frequently parasitised, rejected brown painted reed warbler eggs at the same rate, suggesting that there are no differences between populations in the ability to reject some types of eggs. Finally, rates of rejection decreased seasonally only at the frequently parasitised population. These results suggest that phenotypic plasticity can explain population differences in rates of egg rejection, but do not rule out the possibility that genetic differences also contribute to differences between populations.
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KAGAWA, Toshiaki. "Interspecihc Relationships between Two Sympatric Warblers Great Reed Warbler Acrocephalus arundinacous and Schrenck's Reed Warbler A. bistrigiceps." Japanese Journal of Ornithology 37, no. 3 (1989): 129–44. http://dx.doi.org/10.3838/jjo.37.129.

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Bozó, László, Wieland Heim, Andrea Harnos, and Tibor Csörgő. "Can we explain vagrancy in Europe with the autumn migration phenology of Siberian warbler species in East Russia?" Ornis Hungarica 24, no. 1 (June 1, 2016): 150–71. http://dx.doi.org/10.1515/orhu-2016-0009.

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Abstract We examined the autumn migration phenology of nine Siberian breeding songbirds: Thick-billed Warbler (Iduna aedon), Black-browed Reed Warbler (Acrocephalus bistrigiceps), Pallas’s Grasshopper Warbler (Locustella certhiola), Lanceolated Warbler (L. lanceolata), Yellow-browed Warbler (Phylloscopus inornatus), Arctic Warbler (Ph. borealis), Dusky Warbler (Ph. fuscatus), Radde’s Warbler (Ph. schwarzi), Two-barred Warbler (Ph. plumbeitarsus) and compared the migration dynamic characteristics with their European occurrence time. The study was carried out within the Amur Bird Project in the Russian Far East along the river Amur at Muraviovka Park between 2011 and 2014. The birds were caught with mistnets and ringed with individually numbered rings. For the characterization of the migration, we used timing, the intervals and the peaks of the migration, the percentage of the recaptures and the average time between the first and the last captures. The timing of migration in the studied species differed in the timing, the intervals (30-67 days) and the migration peaks (14 August - 17 September). Considering the size and location of the distribution area, the timing and annual patterns of European occurrences, it is likely that most individuals of Thick-billed Warbler, Pallas’s Grasshopper Warbler, Dusky Warbler, Radde’s Warbler and Two-barred Warbler get to Europe due to the impact of Siberian cyclones. In case of Yellow- browed Warblers, other factors (reverse migration, weather conditions, dispersal movements) may also play a role. Because of their Scandinavian breeding populations, dispersion movement is the most likely reason for vagrants of Arctic Warbler and Lanceolated Warbler. The distribution of the Black-browed Reed Warbler is limited to the eastern edge of the continent, and therefore this species has no European record to date.
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Jakubas, Dariusz, Katarzyna Wojczulanis-Jakubas, Alexis Powers, Troy Frazier, Michael Bottomley, and Michał Kraszpulski. "Differences in a Cage Escape Behaviour between Two Migrating Warblers of Different Stop-Over Strategy." Animals 11, no. 3 (February 28, 2021): 639. http://dx.doi.org/10.3390/ani11030639.

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Cognitive abilities play an important role for migratory birds that are briefly visiting a variety of unfamiliar stop-over habitats. Here, we compared cognitive abilities-linked behaviour (escape from an experimental cage) between two long-distant migrants differing in stop-over ecology, Sedge Warbler (Acrocephalus schoenobaenus; not territorial, searching for locally superabundant food) and Reed Warbler (A. scirpaceus; territorial, foraging on a common prey) during the autumn migration. After two minutes of acclimatization in the cage, we remotely opened the cage door and recorded the bird’s reaction. We measured latency that individuals needed to escape from a cage. Sedge warblers were 1.61 times more likely to escape from the cage than Reed Warblers. Sedge warblers generally escaped earlier after the door was opened and were 1.79 times more likely to escape at any given time than Reed Warblers. We interpret the prevalence of non-escaped individuals as a general feature of migratory birds. In contrast to resident species, they are more likely to enter an unfamiliar environment, but they are less explorative. We attributed inter-species differences in escape latency to species-specific autumn stop-over refuelling strategies in the context of specialist-generalist foraging. Our study provides ecological insight into the cognitive abilities-linked behaviour of wild animals.
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Levin, Michael. "Stove on Gene Worship." Philosophy 68, no. 264 (April 1993): 240–43. http://dx.doi.org/10.1017/s0031819100040286.

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David Stove's sarcastic dismissal of sociobiology rests on a false dilemma.Cuckoos lay their eggs in reed-warbler nests, and the large gape of cuckoo chicks so readily triggers the feeding reflex of the adult warbler that the warbler chicks go underfed. However, argues Stove, the cuckoos (or the cuckoos' genes) are ‘manipulating’ the warblers, getting them to feed cuckoo chicks, only if the cuckoos (or their genes) consciously intend their behaviour to have this effect: ‘The moon causally influences the tides, but it cannot manipulate them…. [C]ausal influence plus resulting advantage are not enough to constitute manipulation. The causal influence must also be purposeful and intended.’
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Dissertations / Theses on the topic "Reed warbler"

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Duckworth, John William. "Parental care in the Reed Warbler." Thesis, University of Cambridge, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.358636.

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Akriotis, T. "Breeding biology of Reed and Great Reed Warblers." Thesis, University of Oxford, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.233383.

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Nishiumi, Isao. "Sex allocation in great reed warblers." 京都大学 (Kyoto University), 1999. http://hdl.handle.net/2433/181441.

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要旨pdfファイル:タイトル「オオヨシキリにおける性分配」
Kyoto University (京都大学)
0048
新制・論文博士
博士(理学)
乙第10195号
論理博第1366号
新制||理||1132(附属図書館)
UT51-99-S312
(主査)教授 山岸 哲, 教授 米井 脩治, 助教授 今福 道夫
学位規則第4条第2項該当
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George, Gregory A. "Foraging ecology of male Cerulean warblers and other neotropical migrants." Morgantown, W. Va. : [West Virginia University Libraries], 2009. http://hdl.handle.net/10450/10265.

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Thesis (Ph. D.)--West Virginia University, 2009.
Title from document title page. Document formatted into pages; contains ix, 85 p. : ill. (some col.), col. map. Includes abstract. Includes bibliographical references.
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Arbabi, Tayebeh [Verfasser], and Michael [Akademischer Betreuer] Wink. "Molecular Phylogeny and Phylogeography of Reed Warblers and Allies (Aves: Acrocephalidae) / Tayebeh Arbabi ; Betreuer: Michael Wink." Heidelberg : Universitätsbibliothek Heidelberg, 2014. http://d-nb.info/1180299906/34.

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Cave, Vanessa M. "Statistical models for the long-term monitoring of songbird populations : a Bayesian analysis of constant effort sites and ring-recovery data." Thesis, St Andrews, 2010. http://hdl.handle.net/10023/885.

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Rasmussen, Justin Lee. "Investigations of evolutionary arms races and host diversity in avian brood parasite systems." Thesis, University of Canterbury. Biological Sciences, 2013. http://hdl.handle.net/10092/8959.

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Obligate brood parasites rely solely on other species, the hosts, to incubate their eggs and raise their offspring, which often reduces the host’s reproductive output. This reproductive cost has led to the evolution of anti-parasite adaptations among hosts, which in turn, has led to better trickery by parasites, a process termed an evolutionary arms race. The objective of this thesis was to investigate host-parasite coevolutionary arms races to address questions of host-use diversity. Host diversity varies dramatically among brood-parasitic species, but reasons for variations in host-use among brood parasites are not well understood. In Chapter 2, I address questions on host diversity specifically, whereas I address questions about coevolutionary interaction between hosts and parasites in Chapters 3, 4 and 5 using two host-parasite systems, one in New Zealand and one in North America. Chapter 2 investigates if host diversity is constrained by aggressive nest defence behaviour. I compared the nest defence behaviour of the exclusive host of the shining cuckoo Chrysococcyx lucidus lucidus on the main islands of New Zealand, the grey warbler Gerygone igata, to two other potentially suitable hosts that are not currently parasitised, the fantail Rhipidura fuliginosa and the silvereye Zosterops lateralis. The results suggest that grey warblers are as aggressive as fantails and silvereyes towards shining cuckoos at the nest and thus, host specialisation in shining cuckoos in New Zealand, at least, does not appear to be the result of nest-defence constraints imposed by potential but unused host species. Chapter 3 investigates if red-winged blackbirds Agelaius phoeniceus, a species that typically accepts the eggs of parasites, recognises, as indicated by changes in incubation behaviour, when they have been parasitised by brown-headed cowbirds Molothrus ater. Recognition without rejection suggests that rejection may be context-dependent but the results suggest that red-winged blackbirds do not recognise when their nests have been parasitised by brown-headed cowbirds, at least at the egg stage. This study was the first to investigate if hosts that almost invariably accept the eggs of parasites recognise when they have been parasitised. Chapter 4 investigated the possibility of coevolutionary arms races occurring through olfactory channels in contrast to earlier work that focussed only on visual and auditory cues. Recent research has revealed that olfactory abilities in birds are more common than previously thought. Uropygial gland secretions are posited to be a key source of avian body odour and its composition has been found to vary among species and individuals as well as between the sexes. I compared gas-chromatography (GC-FID) traces of shining cuckoo preen wax to the GC-FID traces of the grey warbler, the only host of the shining cuckoo in mainland New Zealand, as well as the preen wax of seven other species for evidence of mimicry. Preliminary results suggest there is evidence for mimicry and the potential for odour-based nestling discrimination in grey warblers. Further tests recording the response of grey warblers to odour-manipulated nestlings are necessary. Finally, in Chapter 5, I investigated the response of the song thrush Turdus philomelos, a species that rejects the eggs of the common cuckoo Cuculus canorus and conspecifics at intermediate and low frequencies, respectively, to nest-odour manipulations using the preen wax of conspecifics and heterospecifics. The results suggest song thrush do not use odour to assess the risk of parasitism at least as indicated in terms of changes in incubation behaviour. Investigations of the role of olfaction in avian brood parasite systems can provide a better understanding of brood-parasite coevolution. Only by considering all channels of communication can we be sure to completely understand the coevolutionary dynamics between brood parasites and their hosts.
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Wilson, Neil Samuel Hugh. "Song structure and syllable repertoires in the European sedge warbler, Acrocephalus schoenobaenus." Diss., 2002. http://hdl.handle.net/2263/29640.

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Majerová, Veronika. "Mezidruhová hybridizace u rákosníků rodu Acrocephalus." Master's thesis, 2012. http://www.nusl.cz/ntk/nusl-305803.

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Acrocephalus warblers have gone through the adaptive radiation during last severalmillion years, which gave rise to thirty one species occupying mainly Eurasia,Africa and Australia. The majority of species are morphologically very similar,however, they differ in ecological requirements, migration strategy, and song.Interspecific hybridization seems to be quite common among Acrocephaluswarblers, not only between sister species, but also between more distantly relatedtaxa. The main goal of this study was to determine whether this hybridization leadsto gene flow between species and which factors affect the rate of interspecific geneflow. For this purpose we conducted population-genetic analysis in three Europeanspecies of the Acrocephalus warblers of the subgenus Notiocichla: reed warbler (A.scirpaceus), marsh warbler (A. palustris), and blyth's reed warbler (A. dumetorum).Our results based on the analysis of sequence data from eight nuclear loci indicate,that gene flow between the studied species occurs, but only in one direction. Thegene flow is higher between genetically more related species than betweenecologically more similar species. We also estimated that the reed warbler and themarsh warbler diverged approximately 1,1 million years ago. The blyth's warblerand ancestor of the reed and marsh warbler...
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KITTLOVÁ, Lucie. "Studium vybraných faktorů ovlinujících hnízdní populaci rákosníka obecného (Acrocephalus scirpaceus)." Master's thesis, 2012. http://www.nusl.cz/ntk/nusl-136156.

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The aim of this work was to study the occurrence, abundance and distribution of breeding population of model species Reed Warbler (Acrocephalus scirpaceus) at selected locations. Subsequent evaluation is based on the monitored nesting parameters: nest height above water surface, water depth, distance of the nest from unvegetated water surface, the distance of the nest from the nearest fixed point, and number of stalks on which the nest was built. Diet spectrum was also detected. The results were statistically analysed in order to find out if and how these factors could influence nesting success and density of Reed Warbler population. Marginal influence on nesting success was found out only in these parameters: the number of stalks (the nests with three stalks was the most successful) and the distance from the fixed point. Successful nests were about 26% further (1.8 m) than the unsuccessful nests that could be explained by the predator factor. The most numerous insect orders in selected locations were Diptera (60%), Hymenoptera (21%) and Araneae (12%).
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Books on the topic "Reed warbler"

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U.S. Fish and Wildlife Service. Region 1. Technical/agency draft recovery plan for the nightingale reed-warbler (Acrocephalus luscinia). Portland, Or: U.S. Fish and Wildlife Service, 1997.

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U.S. Fish and Wildlife Service. Region 1. Technical/agency draft recovery plan for the nightingale reed-warbler (Acrocephalus luscinia). Portland, Or: U.S. Fish and Wildlife Service, 1997.

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U.S. Fish and Wildlife Service. Region 1. Technical/agency draft recovery plan for the nightingale reed-warbler (Acrocephalus luscinia). Portland, Or: U.S. Fish and Wildlife Service, 1997.

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1941-, Pearson David J., ed. Reed and bush warblers. London: C. Helm, 2010.

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Courtney-Haines, L. M. A cabinet of reed-warblers: A monograph dealing with the acrocephaline warblers of the world, and embracing all known species and sub-species. Chipping Norton, NSW: Published for L.M. Courtney-Haines by S. Beatty, 1991.

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Artenschutzsymposium Teichrohrsänger (1988 Bad Buchau am Federsee, Germany). Artenschutzsymposium Teichrohrsänger des Deutschen Bundes für Vogelschutz (jetzt: Naturschutzbund Deutschland), Landesverband Baden-Württemberg e.V. am 28. und 29. Mai 1988 in Bad Buchau am Federsee: Referate und Beiträge. Karlsruhe: Landesanstalt für Umweltschutz Baden-Württemberg, Abt. 2, Grundsatz, Ökologie, 1993.

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Recovery plan for the nightingale reed-warbler (Acrocephalus luscinia). Portland, Or: Region 1, U.S. Fish and Wildlife Service, 1998.

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Call of the Reed Warbler: A New Agriculture: A New Earth. Chelsea Green Publishing Co, 2018.

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Call of the reed warbler: A new agriculture, a new Earth. 2017.

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Artenschutzsymposium Teichrohrsanger des Deutschen Bundes fur Vogelschutz (jetzt: Naturschutzbund Deutschland), Landesverband Baden-Wurttemberg e.V. am ... und Landschaftspflege in Baden-Wurttemberg). Landesanstalt fur Umweltschutz Baden-Wurttemberg, Abt. 2, Grundsatz, Okologie, 1993.

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Book chapters on the topic "Reed warbler"

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"Reed Warbler." In Birds of Australia, 354–55. Princeton University Press, 2014. http://dx.doi.org/10.1515/9781400865109.354b.

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"European Reed Warbler Acrocephalus scirpaceus." In Living on the Edge, 444–49. KNNV Publishing, 2009. http://dx.doi.org/10.1163/9789004278134_040.

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"Reed warblers reproduced." In The Reed Warblers, 138–59. KNNV Publishing, 2011. http://dx.doi.org/10.1163/9789004278028_009.

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"Preliminary material." In The Reed Warblers, 1–9. KNNV Publishing, 2011. http://dx.doi.org/10.1163/9789004278028_001.

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"Introducing the reed warblers." In The Reed Warblers, 10–25. KNNV Publishing, 2011. http://dx.doi.org/10.1163/9789004278028_002.

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"Systematics – relationships and diversification in the family of acrocephalid warblers." In The Reed Warblers, 26–53. KNNV Publishing, 2011. http://dx.doi.org/10.1163/9789004278028_003.

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"Habitat characteristics." In The Reed Warblers, 54–71. KNNV Publishing, 2011. http://dx.doi.org/10.1163/9789004278028_004.

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"Foraging, diet, and habitat use." In The Reed Warblers, 72–87. KNNV Publishing, 2011. http://dx.doi.org/10.1163/9789004278028_005.

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"Integrated ecomorphology – challenges and solutions." In The Reed Warblers, 88–103. KNNV Publishing, 2011. http://dx.doi.org/10.1163/9789004278028_006.

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"Competition and coexistence." In The Reed Warblers, 104–17. KNNV Publishing, 2011. http://dx.doi.org/10.1163/9789004278028_007.

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Reports on the topic "Reed warbler"

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DeSaix, Matthew. Bird community monitoring at New River Gorge National River, Gauley River National Recreation Area, and Bluestone National Scenic River, 1997 - 2018. National Park Service, January 2022. http://dx.doi.org/10.36967/nrr-2289846.

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Birds are prominent features of National Park Service lands and are effective indicators for monitoring ecosystem health. Assessing the temporal change of avian species abundance depends on long-term monitoring of bird communities and trends, however long-term monitoring programs are generally uncommon. In this report, we summarize 22 years (1997-2018) of point count data across five sites on West Virginia National Park Service lands (three in New River Gorge National River, one in Gauley River National Recreation Area, and one in Bluestone National Scenic River) and compare these results to our analysis of Breeding Bird Survey data for the same time period across all of West Virginia. The objectives of this analysis are two-fold: 1) describe the biotic integrity of the National Park Service lands in West Virginia and 2) Quantify trends in guilds and species abundance. During the 20-year period of this survey, 85 breeding resident species were detected. The West Virginia National Park Service lands are home to stable populations of Wood Thrush and Yellow-billed Cuckoo, both species of continental concern by Partners in Flight. Seven species have declined precipitously on NPS lands during this time period. Three of these species are also experiencing declines across the rest of West Virginia (Blue-gray Gnatcatcher, Carolina Chickadee, Kentucky Warbler), but the other 4 species are stable across West Virginia (Acadian Flycatcher, Black-throated Green Warbler, Northern Parula, Swainson’s Warbler). Four species that are declining across West Virginia (Great Crested Flycatcher, Indigo Bunting, Red-eyed Vireo, and Worm-eating Warbler) are stable on southern West Virginia NPS lands. Additionally, the upper-canopy foraging guild of species has decreased significantly on NPS lands in southern West Virginia. An analysis of community biotic integrity revealed that the southern West Virginia NPS lands have been stable at a rating of high biotic integrity every year for the duration of this survey. Future research should delve into the underlying factors that may be driving the trends in abundance at different scales.
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