| monitoring of group a rotaviruses in wild-living birds in hungary. | rotavirus is a common pathogen causing gastroenteritis in humans and domesticated animals. the incidence of rotavirus in wild-living animals, particularly in avian species, has not been systematically investigated. in this study 1220 fecal samples and cloacal swabs collected from wild-living birds during 2008 in hungary were tested for the presence of group a rotaviruses by a vp6 gene-specific reverse-transcription-polymerase-chain-reaction assay. of the 1220 samples, 276 and 944 were processed ... | 2011 | 21500648 |
| reed bunting females increase fitness through extra-pair mating with genetically dissimilar males. | females of many socially monogamous species accept or even actively seek copulations outside the social pair bond. as females cannot increase the number of offspring with promiscuous behaviour, the question arises why they engage in extra-pair mating. we used microsatellite data to determine paternity, heterozygosity and genetic relatedness in the reed bunting (emberiza schoeniclus), a species with high levels of extra-pair paternity (epp). we found that extra-pair young (epy) were more heterozy ... | 2007 | 17785270 |
| permanent genetic resources: isolation, characterization and multiplex genotyping of 11 autosomal and four sex-linked microsatellite loci in the reed bunting, emberiza schoeniclus (emberizidae, aves). | fifteen highly polymorphic microsatellite loci were characterized in the reed bunting, emberiza schoeniclus. eleven loci were autosomal and four linked to the z chromosome. all loci were characterized and tested in 45 unrelated reed buntings from a swiss population. autosomal loci displayed seven to 17 and sex-linked loci displayed four to 13 alleles with heterozygosities ranging from 0.756 to 0.933 and from 0.478 to 0.957, respectively. these loci will be used in population genetic and mating s ... | 2008 | 21585783 |
| small and large wetland fragments are equally suited breeding sites for a ground-nesting passerine. | large habitat fragments are generally thought to host more species and to offer more diverse and/or better quality habitats than small fragments. however, the importance of small fragments for population dynamics in general and for reproductive performance in particular is highly controversial. using an information-theoretic approach, we examined reproductive performance and probability of local recruitment of color-banded reed buntings emberiza schoeniclus in relation to the size of 18 wetland ... | 2008 | 18335249 |
| phenotypic divergence among west european populations of reed bunting emberiza schoeniclus: the effects of migratory and foraging behaviours. | divergent selection and local adaptation are responsible for many phenotypic differences between populations, potentially leading to speciation through the evolution of reproductive barriers. here we evaluated the morphometric divergence among west european populations of reed bunting in order to determine the extent of local adaptation relative to two important selection pressures often associated with speciation in birds: migration and diet. we show that, as expected by theory, migratory e. s. ... | 2013 | 23667594 |
| chewing lice (phthiraptera) found on songbirds (passeriformes) in turkey. | objective: this study was performed to detect chewing lice species found on the songbirds at lake kuyucuk bird ringing station in the kars province located in eastern turkey. methods: chewing lice were collected from songbirds captured between september and october 2009. fifty-one birds belonging to 22 species and 16 genera from 10 families were examined for the louse. results: eleven of 51 birds (21.57%) belonging to 7 species; were infested with at least one chewing louse species. the collecte ... | 2011 | 21618190 |
| avian wildlife reservoir of campylobacter fetus subsp. jejuni, yersinia spp., and salmonella spp. in norway. | cloacal swabs from 540 wild-living birds were cultured for campylobacter fetus subsp. jejuni, yersinia spp., and salmonella spp. the carrier rates detected were as follows: c. fetus subsp. jejuni, 28.4%; yersinia spp., 1.2%; and salmonella spp., 0.8%. all birds were apparently healthy when captured. c. fetus subsp. jejuni was isolated from 11 of the 40 bird species examined. among birds inhabiting the city of oslo, the highest isolation rate was found in crows (corvus corone cornix) (89.8%), fol ... | 1983 | 6338824 |
| isolation and characterization of microsatellite loci in a passerine bird: the reed bunting emberiza schoeniclus. | | 1994 | 7952335 |
| genetic variation and bill size dimorphism in a passerine bird, the reed bunting emberiza schoeniclus. | in passerine birds morphological differentiation in bill size within species is not commonly observed. bill size is usually associated with a trophic niche, and strong differences in it may reflect the process of genetic differentiation and, possibly, speciation. we used both mitochondrial dna (mtdna) and nuclear microsatellites to study genetic variation between two subspecies of reed bunting, emberiza schoeniclus schoeniclus and e.s. intermedia, along their distributional boundary in western e ... | 1998 | 9734074 |
| nestling mouth colour: ecological correlates of a begging signal. | the mouths of begging nestlings vary widely in colour, ranging from yellow in robins, erithacus rubecula, to red in reed buntings, emberiza schoeniclus. two functions have been suggested for bright nestling mouth colour: (1) it may improve the detectability of chicks, particularly in poorly lit nests and (2) within species, it may signal need. we tested these hypotheses in a comparative analysis, measuring the mouth colours of nestlings from 31 species under conditions of standardized light avai ... | 1998 | 9784220 |
| how female reed buntings benefit from extra-pair mating behaviour: testing hypotheses through patterns of paternity in sequential broods. | extra-pair paternity is an important aspect of reproductive strategies in many species of birds. given that in most species females control whether fertilization occurs, they are expected to benefit in some way from the extra-pair matings. in this study we use patterns of extra-pair paternity (epp) in broods of individual reed buntings (emberiza schoeniclus), both within and between seasons, to test four hypothesized female benefits: (1) assessing potential future partners and seeking (2) geneti ... | 2006 | 16842429 |
| patchy population structure in a short-distance migrant: evidence from genetic and demographic data. | species often occur in subdivided populations as a consequence of spatial heterogeneity of the habitat. to describe the spatial organization of subpopulations, existing theory proposes three main population models: patchy population, metapopulation and isolated populations. these models differ in their predicted levels of connectivity among subpopulations, and in the risk that a subpopulation will go extinct. however, spatially discrete subpopulations are commonly considered to be organized as m ... | 2009 | 19457204 |
| new support for an old hypothesis: density affects extra-pair paternity. | density has been suggested to affect variation in extra-pair paternity (epp) in avian mating systems, because increasing density promotes encounter rates and thus mating opportunities. however, the significance of density affecting epp variation in intra- and interspecific comparisons has remained controversial, with more support from intraspecific comparisons. neither experimental nor empirical studies have consistently provided support for the density hypothesis. testing the density hypothesis ... | 2013 | 23533071 |
| susceptibility of wild passerines to subtype h5n1 highly pathogenic avian influenza viruses. | highly pathogenic avian influenza (hpai) viruses of the h5n1 subtype have spread throughout many areas of asia, europe and africa, and numerous cases of hpai outbreaks in domestic and wild birds have been reported. although recent studies suggest that the dissemination of h5n1 viruses is closely linked to the migration of wild birds, information on the potential for viral infection in species other than poultry and waterfowl is relatively limited. to investigate the susceptibility of terrestrial ... | 2015 | 26274569 |
| behavioral plasticity allows short-term adjustment to a novel environment. | many species are currently experiencing anthropogenically driven environmental changes. among these changes, increasing noise levels are specifically a problem for species relying on acoustic communication. recent evidence suggests that some species adjust their acoustic signals to man-made noise. however, it is unknown whether these changes occur through short-term and reversible adjustments by behavioral plasticity or through long-term adaptations by evolutionary change. using behavioral obser ... | 2010 | 20701531 |
| serologic survey of birds for west nile flavivirus in southern moravia (czech republic). | a serosurvey for west nile virus (wnv) was carried out in 54 domestic birds (geese and ducks bred on fishponds) and 391 wild birds representing 28 migratory and resident species, using a plaque-reduction neutralization microtest with vero cells and egyptian topotype eg-101 strain as test virus. the birds were sampled in the south-moravian fishpond ecosystem between 2004 and 2006. antibodies to wnv were not detected in domestic waterfowl, but 23 (5.9%) free-living birds of 10 species showed a pos ... | 2008 | 18454599 |
| three new species of the ectoparasitic mites of the genus syringophiloidus kethley, 1970 (acari: syringophilidae) from passeriform birds from slovakia. | three new quill mite species of the genus syringophiloidus kethley, 1970 (acari: syringophilidae) from slovakia are described and figured: s. bombycillae sp. n. from the waxwing bombycilla garrulus (l.) (passeriformes: bombycillidae), s. schoeniclus sp. n. from the reed bunting emberiza schoeniclus l. (passcriformes: emberizidae) and s. montanus sp. n. from the tree sparrow passer monlanus (l.) (passeriformes: ploceidae). a key to all known species of the genus syringophiloidus is given. | 2002 | 12641205 |
| a survey for yersinia pseudotuberculosis in migratory birds in coastal japan. | yersinia pseudotuberculosis was isolated from three specimens of two species of birds, the black-faced bunting (emberiza spodocephala) and pied wagtail (motacilla alba), of 528 specimens of birds examined from coastal regions in japan. the two isolated strains of y. pseudotuberculosis were identified as serovar 4b and serovar 3. this is the first isolation of y. pseudotuberculosis from birds in japan. yersinia enterocolitica was isolated from three specimens of the pied wagtail, one specimen of ... | 1989 | 2761013 |
| energy crops affecting farmland birds in central europe: insights from a miscanthus-dominated landscape. | the expansion of energy crops such as miscanthus miscanthus x giganteus has changed the habitat of european farmland birds. however, most studies on the subject are based in western europe. we surveyed the avian community in a sample bioenergy landscape in poland to investigate the pattern of use of the crop by birds in central europe. during a year-long survey, 80 species were noted, with 32 sighted in miscanthus. the number of bird sightings was negatively correlated with the area covered by m ... | 2019 | 30636777 |