Publications

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taxonomic review of physconelloides (phthiraptera: philopteridae) from the columbiformes (aves), including descriptions of three new species.we provide a comprehensive taxonomic review of physconelloides, a genus of ischnoceran chewing lice found on pigeons and doves (columbiformes). thirteen previously known physconelloides species are redescribed and 16 new synonymies are designated: p. rubripes carriker, p. rubripes longulus tendeiro, p. piotrowskii tendeiro and p. auritae tendeiro are synonyms of p. zenaidurae (mcgregor); p. recurvatus eichler, p. chocoensis carriker and p. montana carriker are synonyms of p. ceratoceps ewing; p. ...199910083758
louse flies on birds of baja california.louse flies were collected from 401 birds of 32 species captured in autumn of 1996 in baja california sur (mexico). only one louse fly species (microlynchia pusilla) was found. it occurred in four of the 164 common ground doves (columbina passerina) collected. this is a new a host species for this louse fly.200010682758
results and evaluation of the first study of organochlorine contaminants (pcdds, pcdfs, pcbs and ddts), heavy metals and metalloids in birds from baja california, méxico.organochlorine compounds (ocs) including polychlorinated dibenzo-p-dioxins (pcdds), dibenzofurans (pcdfs), polychlorinated biphenyls (pcbs) and 1,1-dichloro-2,2-bis(p-chlorophenyl)ethylene (p-p'-dde), heavy metals (pb, cd, zn, cu), and arsenic were measured in house sparrows (passer domesticus) and common ground doves (columbina passerina) from baja california sur, méxico. concentrations of pcdd/fs were low, with 21 pg/g for house sparrows, and 7.7 pg/g for common ground doves. non-ortho-pcb con ...200515327864
quantification of low levels of organochlorine pesticides using small volumes (<or=100 microl) of plasma of wild birds through gas chromatography negative chemical ionization mass spectrometry.a solid phase extraction and gas chromatography with negative chemical ionization mass spectrometry in scan mode (gc-nci-ms) method was developed to identify and quantify for the first time low levels of organochlorine pesticides (ocs) in plasma samples of less than 100 microl from wild birds. the method detection limits ranged from 0.012 to 0.102 pg/microl and the method reporting limit from 0.036 to 0.307 pg/microl for alpha, gamma, beta and delta-hexachlorocyclohexane (hch), heptachlor, aldri ...200717240024
persistent west nile virus transmission and the apparent displacement st. louis encephalitis virus in southeastern california, 2003-2006.west nile virus (family flaviviridae, genus flavivirus, wnv) invaded the colorado desert biome of southern california during summer 2003 and seemed to displace previously endemic st. louis encephalitis virus (family flaviviridae, genus flavivirus, slev, an antigenically similar flavivirus in the japanese encephalitis virus serocomplex). western equine encephalomyelitis virus (family togaviridae, genus alphavirus, weev), an antigenically distinct alphavirus, was detected during 2005 and 2006, ind ...200818533445
molecular characterization of the trichomonas gallinae morphologic complex in the united states.forty-two trichomonas gallinae isolates were molecularly characterized to determine whether isolates differed in genetic sequence of multiple gene targets depending on host species or geographical location. the 5.8s ribosomal rna (rrna) and flanking internal transcribed spacer (its) gene regions were amplified by polymerase chain reaction, and the sequences were analyzed phylogenetically. the results of the sequence analysis strongly suggest at least 2 species may exist within the t. gallinae mo ...200818576862
west nile virus epizootiology in the southeastern united states, 2001.we investigated mosquito and bird involvement in west nile virus (wnv) transmission in july 2001 in jefferson county, fl, and lowndes county, ga. we detected 16 wnv-infected pools from culex quinquefasciatus, cx. salinarius, cx. nigripalpus, and culiseta melanura. in florida, 11% of 353 bird sera neutralized wnv. antibody prevalence was greatest in northern cardinal (cardinalis cardinalis, 75%), northern mockingbird (mimus polyglottus, 50%), common ground-dove (columbina passerina, 25%), common ...200515815153
patterns of avian seroprevalence to western equine encephalomyelitis and saint louis encephalitis viruses in california, usa.temporal and spatial changes in the enzootic activity of western equine encephalomyelitis (wee) and st. louis encephalitis (sle) viruses were monitored at representative wetland study sites in the coachella, san joaquin, and sacramento valleys of california from 1996 to 1998 using three methods: (1) virus isolation from pools of 50 host-seeking culex tarsalis coquillett females, (2) seroconversions in flocks of 10 sentinel chickens, and (3) seroprevalence in wild birds collected by mist nets and ...200010916291
breeding and multiple waves of primary molt in common ground doves of coastal sinaloa.for adult common ground doves from sinaloa we demonstrate that the primaries are a single molt series, which sometimes feature two (in one case three) waves of feather replacement. such stepwise primary replacement is found in many large birds but, at 40 g, this dove is much the smallest species reported to have multiple waves of replacement proceeding through its primaries simultaneously. pre-breeding juvenile common ground doves never feature two waves of primary replacement. juveniles usually ...201829379683
a comprehensive cytogenetic analysis of several members of the family columbidae (aves, columbiformes).the columbidae species (aves, columbiformes) show considerable variation in their diploid numbers (2n = 68-86), but there is limited understanding of the events that shaped the extant karyotypes. hence, we performed whole chromosome painting (wcp) for paints gga1-10 and bacterial artificial chromosome (bac) probes for chromosomes gga11-28 for columbina passerina, columbina talpacoti, patagioenas cayennensis, geotrygon violacea and geotrygon montana. streptopelia decaocto was only investigated wi ...202032521831
diversity and phylogenetic relationships of hemosporidian parasites in birds of socorro island, méxico, and their role in the re-introduction of the socorro dove (zenaida graysoni).the socorro dove zenaida graysoni , endemic to socorro island, was last reported in the wild in 1972. fortunately, the species has been propagated in zoos in europe and the united states, and plans are under way to re-introduce it to its native habitat. this will be the first known attempt to return a bird species extinct in the wild to its ancestral island. in order to assess the disease threats the socorro dove may face, the avifauna of socorro island, with a specific focus on socorro ground d ...201323043349
two new haemoproteus species (haemosporida: haemoproteidae) from columbiform birds.here we describe haemoproteus (haemoproteus) multivolutinus n. sp. from a tambourine dove (turtur timpanistria) of uganda and haemoproteus (haemoproteus) paramultipigmentatus n. sp. (haemosporida, haemoproteidae) from the socorro common ground dove (columbina passerina socorroensis) of socorro island, mexico. these parasites are described based on the morphology of their blood stages and segments of the mitochondrial cytochrome b gene that can be used for molecular identification and diagnosis o ...201323240808
nasal mites of the subfamily speleognathinae (ereynetidae) from birds in texas.nasal mites of the subfamily speleognathinae were recovered from several species of birds in texas. new host records include ophthalmophagus striatus (crossley) 1952 from columbigallina passerina, boydaia clarki fain 1963 from callipepla squamata, boydaia falconis fain 1956 from falco sparverius, and boydaia tyrannus ford 1959 from myiarchus cinerascens. also recovered was astrida coccyzae pence 1972 from coccyzus americanus. boydaia pheucticola sp. n. from pheucticus melanocephalus is described ...1976932921
helminth community composition, structure, and pattern in six dove species (columbiformes: columbidae) of south texas.abstract abstract: the helminth community composition and structure of 6 species of columbids residing in south texas are reported and compared herein. sixty rock pigeons, columba livia (rp), mourning doves, zenaida macroura (md), eurasian collared-doves, streptopelia decaocto (ecd), white-winged doves, zenaida asiatica (wwd), common ground doves, columbina passerina (cgd), and 48 inca doves, columbina inca (id), were collected during the summer of 2006 and examined for helminths. twelve he ...201121955248
the role of body size in host specificity: reciprocal transfer experiments with feather lice.although most parasites show at least some degree of host specificity, factors governing the evolution of specificity remain poorly understood. many different groups of host-specific parasites show a striking correlation between parasite and host body size, suggesting that size reinforces specificity. we tested this hypothesis by measuring the relative fitness of host-specific feather lice transferred to pigeons and doves that differ in size by an order of magnitude. to test the general influenc ...200617133872
capture stress and the bactericidal competence of blood and plasma in five species of tropical birds.in wild birds, relatively little is known about intra- or interspecific variation in immunological capabilities, and even less is known about the effects of stress on immune function. immunological assays adaptable to field settings and suitable for a wide variety of taxa will prove most useful for addressing these issues. we describe a novel application of an in vitro technique that measures the intrinsic bacteria-killing abilities of blood. we assessed the capacities of whole blood and plasma ...200616691521
west nile virus antibodies in avian species of georgia, usa: 2000-2004.west nile virus (wnv) was first isolated in the state of georgia in the summer of 2001. as amplifying hosts of wnv, avian species play an important role in the distribution and epidemiology of the virus. the objective of this study was to identify avian species that are locally involved as potential amplifying hosts of wnv and can serve as indicators of wnv transmission over the physiographic and land use variation present in the southeastern united states. avian serum samples (n=14,077) from 83 ...200616584328
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