keyword
https://read.qxmd.com/read/38503812/efficacy-of-an-inflatable-deterrent-for-reducing-new-world-vulture-human-wildlife-conflict
#1
JOURNAL ARTICLE
Bryan M Kluever, Betsy A Evans, Noah M Osterhoudt, Eric A Tillman
Increasing urbanization coupled with spatial expansion and numerical increase of New World vulture populations has engendered a rise in human-vulture conflict, creating a need for effective tools to mitigate vulture-related damage. Visual frightening devices that mimic the presence of human or other predators can be employed in human-vulture conflict scenarios to increase perceived risk by the pest species, thereby eliciting an antipredator behavioral response, such as fleeing. One visual frightening device, inflatable scarecrows, recently proved effective at reducing passerine attendance at feral swine feeders, but their effectiveness when directed at other species and conflict scenarios has varied...
March 19, 2024: Scientific Reports
https://read.qxmd.com/read/38244967/black-vulture-coragyps-atratus-feathers-as-bioindicators-of-exposure-to-metals-and-metalloids-contamination-in-urban-semi-urban-and-rural-areas-from-campeche-state-mexico
#2
JOURNAL ARTICLE
Merle Borges-Ramírez, Griselda Escalona-Segura, Esperanza Huerta-Lwanga, Eduardo Iñigo-Elias, Jaime Rendón-von Osten
Landfills are sources of soil, water, and air pollution due to the release of toxic compounds such as metals and metalloids. In both tropical and temperate environments, scavenger birds such as the Black Vulture (Coragyps atratus) that have learned to use these sites as a feeding area are probably exposed to metals, metalloids and other "persistent bioaccumulative toxic substances (PBTs)" released in open dumpsite (OD) and sanitary landfill (SL). The objective of this study is to evaluate the presence and distribution of toxic metals (Al, Sn, Hg, Cu, Pb, Cd, Cr) and As in OD and SL from urban, semi-urban and rural localities in Campeche, México, using molting feathers of C...
January 18, 2024: Environmental Research
https://read.qxmd.com/read/38183546/trace-elements-and-heavy-metals-in-black-vultures-coragyps-atratus-and-turkey-vultures-cathartes-aura-in-the-southeastern-united-states
#3
JOURNAL ARTICLE
Kaleigh Hoynes, Amanda E Holland, Albert L Bryan, Caitlin A Kupferman, James C Beasley
Many vulture species worldwide are declining at alarming rates due to a variety of anthropogenic causes, including exposure to pollutants and pharmaceuticals through consumption of contaminated carrion. However, little is known about the extent to which vultures are exposed to various contaminants as well as toxicity thresholds for trace elements and heavy metals. Our objective was to quantify levels of trace elements and heavy metals within black vulture (Coragyps atratus) and turkey vulture (Cathartes aura) tissues to determine the extent to which populations in the Southeastern United States are exposed to carrion that contains high levels of contaminants...
January 6, 2024: Environmental Science and Pollution Research International
https://read.qxmd.com/read/38061614/abundant-triatomines-in-texas-dog-kennel-environments-triatomine-collections-infection-with-trypanosoma-cruzi-and-blood-feeding-hosts
#4
JOURNAL ARTICLE
R E Busselman, R Curtis-Robles, A C Meyers, I B Zecca, L D Auckland, C L Hodo, D Christopher, A B Saunders, Hamer Sa
Triatomine insects are vectors of the protozoan parasite Trypanosoma cruzi- the causative agent of Chagas disease. Chagas disease is endemic to Latin America and the southern United States and can cause severe cardiac damage in infected mammals, ranging from chronic disease to sudden death. Identifying interactions among triatomines, T. cruzi discrete typing units (DTUs), and blood feeding hosts is necessary to understand parasite transmission dynamics and effectively protect animal and human health. Through manual insect trapping efforts, kennel staff collections, and with the help of a trained scent detection dog, we collected triatomines from 10 multi-dog kennels across central and south Texas over a one-year period (2018-2019) and tested a subset to determine their T...
December 5, 2023: Acta Tropica
https://read.qxmd.com/read/37893899/bridging-evolutionary-history-and-conservation-of-new-world-vultures
#5
JOURNAL ARTICLE
Daniela Cortés-Díaz, Diana L Buitrago-Torres, Juan Sebastián Restrepo-Cardona, Irene Estellés-Domingo, Pascual López-López
The New World Vultures (Cathartidae) include seven species of obligate scavengers that, despite their ecological relevance, present critical information gaps around their evolutionary history and conservation. Insights into their phylogenetic relationships in recent years has enabled the addressing of such information gaps through approaches based on phylogeny. We reconstructed the ancestral area in America of the current species using two regionalization schemes and methods: Biogeography with Bayesian Evolutionary Analysis (BioGeoBears) and Bayesian Binary Model-Monte Carlo Markov Chains (BBM-MCMC)...
October 11, 2023: Animals: An Open Access Journal From MDPI
https://read.qxmd.com/read/37042779/draft-genome-sequences-of-four-enterococcus-cecorum-strains-isolated-from-american-black-vultures-coragyps-atratus-and-harris-s-hawk-parabuteo-unicinctus-in-rio-de-janeiro-brazil
#6
JOURNAL ARTICLE
Andréa Andrade Rangel Freitas, Stephanie Silva Rodrigues Souza, Adriana Rocha Faria, Paul J Planet, Vânia Lúcia Carreira Merquior, Lúcia Martins Teixeira
We report the draft genome sequences of four Enterococcus cecorum strains obtained from cloacal swab specimens collected from three healthy captive wild birds (two Coragyps atratus and one Parabuteo unicinctus) in Rio de Janeiro, Brazil. The genome sizes ranged from 2.38 to 2.55 Mb.
April 12, 2023: Microbiology Resource Announcements
https://read.qxmd.com/read/35999361/a-14-000-year-old-genome-sheds-light-on-the-evolution-and-extinction-of-a-pleistocene-vulture
#7
JOURNAL ARTICLE
Per G P Ericson, Martin Irestedt, Dario Zuccon, Petter Larsson, Jean-Luc Tison, Steven D Emslie, Anders Götherström, Julian P Hume, Lars Werdelin, Yanhua Qu
The New World Vulture [Coragyps] occidentalis (L. Miller, 1909) is one of many species that were extinct by the end of the Pleistocene. To understand its evolutionary history we sequenced the genome of a 14,000 year old [Coragyps] occidentalis found associated with megaherbivores in the Peruvian Andes. occidentalis has been viewed as the ancestor, or possibly sister, to the extant Black Vulture Coragyps atratus, but genomic data shows occidentalis to be deeply nested within the South American clade of atratus...
August 23, 2022: Communications Biology
https://read.qxmd.com/read/35862905/draft-genome-sequences-of-two-commensal-enterococcus-faecalis-strains-isolated-from-american-black-vultures-coragyps-atratus-in-brazil
#8
JOURNAL ARTICLE
Andréa de Andrade Rangel Freitas, Stephanie da Silva Rodrigues Souza, Adriana Rocha Faria, Paul J Planet, Vânia Lúcia Carreira Merquior, Lúcia Martins Teixeira
We report the draft genome sequences of two commensal Enterococcus faecalis strains (designated Ca-2 and Ca-18) recovered from the cloacae of two healthy American black vultures (Coragyps atratus) in Rio de Janeiro, Brazil. The strains were found to carry a variety of antimicrobial resistance and virulence-associated genes.
August 18, 2022: Microbiology Resource Announcements
https://read.qxmd.com/read/34839977/from-carrion-eaters-to-plastic-material-plunderers-toxicological-impacts-of-plastic-ingestion-on-black-vultures-coragyps-atratus-cathartiformes-cathartidae
#9
JOURNAL ARTICLE
Wallace Alves Cunha, Ítalo Nascimento Freitas, Lux Attiê Santos Gomes, Sandy de Oliveira Gonçalves, Mateus Flores Montalvão, Mohamed Ahmed Ibrahim Ahmed, Alex Rodrigues Gomes, Thiarlen Marinho da Luz, Amanda Pereira da Costa Araújo, Guilherme Malafaia
Despite plastic ingestion has already been reported in several bird species, its physiological impacts have been little inspected, especially in representatives of the Cathartidae family. Thus, in this study, we aimed to identify, characterize, and evaluate the effects arising from the ingestion of plastic materials by Coragyps atratus adults, that captured in landfill areas. Herein, a total of 51 individuals were captured, the frequency of plastic intake being higher than 40%. The plastic materials consisted mainly of low-density polyethylene and film-type polystyrene, as well as presenting irregular shapes and diameters between 10 and 30 mm...
February 15, 2022: Journal of Hazardous Materials
https://read.qxmd.com/read/34439007/pharmacokinetic-behaviour-of-enrofloxacin-after-single-intramuscular-dosage-in-american-black-vultures-coragyps-atratus
#10
JOURNAL ARTICLE
Samanta Waxman, José Julio de Lucas, Guillermo Wiemeyer, Laura Torres Bianchini, Manuel Ignacio San Andrés, Casilda Rodríguez
The aim of the study was to investigate the intramuscular pharmacokinetics of enrofloxacin in black vultures ( Coragyps atratus ). The pharmacokinetics of a single intramuscular dose (10 mg/kg) of enrofloxacin was studied in six vultures. Plasma concentrations of enrofloxacin and its active metabolite, ciprofloxacin, were determined by high-performance liquid chromatography (HPLCuv). Pharmacokinetic parameters were estimated using non-compartmental and compartmental analysis. After intramuscular administration, enrofloxacin showed a rapid and complete absorption, reaching a Cmax value of 3...
August 9, 2021: Antibiotics
https://read.qxmd.com/read/34418623/organochlorine-pesticides-polycyclic-aromatic-hydrocarbons-metals-and-metalloids-in-microplastics-found-in-regurgitated-pellets-of-black-vulture-from-campeche-mexico
#11
JOURNAL ARTICLE
Merle M Borges-Ramírez, Griselda Escalona-Segura, Esperanza Huerta-Lwanga, Eduardo Iñigo-Elias, Jaime Rendón-von Osten
Plastics are produced by the millions of tons worldwide each year, with their final deposition in landfills (LFs). Plastics deposited in LFs can fragment over time, giving rise to mesoplastics and later to microplastics (MPs), in which toxic chemicals such as heavy metals, organochlorine pesticides, and polycyclic aromatic hydrocarbons can adhere. MPs can be vectors for the exposure to pollutants of black vultures (Coragyps atratus) due to feeding in LFs, resulting in accidental ingestion of MPs. It is also possible that MPs can adsorb pollutants from vultures during the digestion process...
December 20, 2021: Science of the Total Environment
https://read.qxmd.com/read/34285264/landscape-transformations-produce-favorable-roosting-conditions-for-turkey-vultures-and-black-vultures
#12
JOURNAL ARTICLE
Jacob E Hill, Kenneth F Kellner, Bryan M Kluever, Michael L Avery, John S Humphrey, Eric A Tillman, Travis L DeVault, Jerrold L Belant
Recent increases in turkey vulture (Cathartes aura) and black vulture (Coragyps atratus) populations in North America have been attributed in part to their success adapting to human-modified landscapes. However, the capacity for such landscapes to generate favorable roosting conditions for these species has not been thoroughly investigated. We assessed the role of anthropogenic and natural landscape elements on roosting habitat selection of 11 black and 7 turkey vultures in coastal South Carolina, USA using a GPS satellite transmitter dataset derived from previous research...
July 20, 2021: Scientific Reports
https://read.qxmd.com/read/34181920/mercury-in-birds-aquatic-and-scavenger-from-the-western-amazon
#13
JOURNAL ARTICLE
Angela N Dias Dos Santos, Maria Cristina N do N Recktenvald, Dario P de Carvalho, Emília L Bortoleto Puerta, Izidro F de Sousa-Filho, José G Dórea, Wanderley R Bastos
In the Amazon rainforest, methylmercury (MeHg) is easily biomagnified and bio-accumulated in the aquatic food chain. This unique biome has been studied for occupational and environmental issues related to human health and contamination through fish consumption; however, wildlife studies have not yet addressed fish-eating birds. Different species of birds categorized by foraging strategies and life-stages were studied in the Madeira River Basin (Western Amazon rainforest). Feather and tissue (muscle, liver, kidneys, lungs, heart, brain, and blood) samples were collected opportunistically from six bird species feeding on fish and aquatic fauna and a scavenger (a saprophagous species) during the low-water season (July 2017)...
October 2021: Environmental Research
https://read.qxmd.com/read/33055625/the-irvingtonian-avifauna-of-cumberland-bone-cave-maryland
#14
JOURNAL ARTICLE
Helen F James
The early and mid-Pleistocene avian communities of North America are best known from the Rocky Mountain region and peninsular Florida. In the Appalachian Mountain region, only a small number of avian bones from mid-latitude cave deposits have been attributed to this time period. Here, I enlarge this record by reporting on bird bones from Cumberland Bone Cave in western Maryland, a well-known locality for large and small Irvingtonian mammals and other vertebrates. The taxa identified encompass ground birds, waterfowl, a hawk, two eagles, a vulture, an owl, a jay, a flycatcher, a junco or sparrow, and a finch...
May 7, 2020: Zootaxa
https://read.qxmd.com/read/33035984/plastic-ingestion-and-dispersion-by-vultures-may-produce-plastic-islands-in-natural-areas
#15
JOURNAL ARTICLE
Fernando Ballejo, Pablo Plaza, Karina L Speziale, Agustina P Lambertucci, Sergio A Lambertucci
Rubbish dumps can become an important environmental source of plastic. Several species feed on organic waste from these sites, but at the same time are exposed to non-organic materials. Species that can gather food in these sites might at the same time disperse waste consumed, but this has rarely been evaluated. We compare the occurrence of plastic debris in regurgitated pellets of three sympatric vultures from northwest Patagonia, Andean condors (Vultur gryphus), black vultures (Coragyps atratus) and turkey vultures (Cathartes aura), foraging in different degrees of humanized sites...
September 21, 2020: Science of the Total Environment
https://read.qxmd.com/read/32022303/feeding-ecology-drives-lead-exposure-of-facultative-and-obligate-avian-scavengers-in-the-eastern-united-states
#16
JOURNAL ARTICLE
Vincent A Slabe, James T Anderson, Jeff Cooper, Tricia A Miller, Bracken Brown, Anna Wrona, Patricia Ortiz, John Buchweitz, Dave McRuer, Ernesto Dominguez-Villegas, Shannon Behmke, Todd Katzner
Lead poisoning of scavenging birds is a global issue. However, the drivers of lead exposure of avian scavengers have been understood from the perspective of individual species, not cross-taxa assemblages. We analyzed blood (n = 285) and liver (n = 226) lead concentrations of 5 facultative (American crows (Corvus brachyrhynchos), bald eagles (Haliaeetus leucocephalus), golden eagles (Aquila chrysaetos), red-shouldered hawks (Buteo lineatus) and red-tailed hawks (Buteo jamaicensis)) and 2 obligate (black vultures (Coragyps atratus) and turkey vultures (Cathartes aura) avian scavenger species to identify lead exposure patterns...
February 5, 2020: Environmental Toxicology and Chemistry
https://read.qxmd.com/read/31695917/evidence-of-niche-differentiation-for-two-sympatric-vulture-species-in-the-southeastern-united-states
#17
JOURNAL ARTICLE
Amanda E Holland, Michael E Byrne, Jeffrey Hepinstall-Cymerman, A Lawrence Bryan, Travis L DeVault, Olin E Rhodes, James C Beasley
Background: As obligate scavengers utilizing similar habitats, interspecific competition undoubtedly occurs between resident black ( Coragyps atratus ) and turkey ( Cathartes aura) vultures. In the interest of exploring how sympatric species coexist through habitat segregation, we examined resource selection of resident black and turkey vultures in the southeastern United States (US) for evidence of niche differentiation. Methods: Using fine-scale movement data, we assessed interspecific seasonal differences in monthly roost reuse frequency and roost site fidelity, as well as monthly flight, roost, and diurnal rest site resource selection based on > 2...
2019: Movement Ecology
https://read.qxmd.com/read/31523815/functional-analysis-and-treatment-of-self-injurious-feather-plucking-in-a-black-vulture-coragyps-atratus
#18
JOURNAL ARTICLE
Kristen L Morris, Sarah K Slocum
The etiology and maintenance of self-injurious feather plucking (FP) have been attributed to biological and environmental processes, yet a definitive solution has not been found. The current study investigated the application of a functional analysis and function-based treatment to reduce the FP of a black vulture (Coragyps atratus). FP was found to be maintained by positive reinforcement in the form of contingent attention. A treatment consisting of noncontingent reinforcement decreased FP, and levels of FP remained low during schedule thinning...
October 2019: Journal of Applied Behavior Analysis
https://read.qxmd.com/read/31339763/evaluation-of-allometric-scaling-as-a-tool-for-extrapolation-of-the-enrofloxacin-dose-in-american-black-vultures-coragyps-atratus
#19
JOURNAL ARTICLE
Samanta Waxman, Ana P Prados, José J De Lucas, Guillermo Wiemeyer, Laura Torres-Bianchini, Manuel I San Andres, Casilda Rodríguez
OBJECTIVE: To determine the pharmacokinetics of enrofloxacin after IV administration in American black vultures (Coragyps atratus) , to compare clearance of enrofloxacin in American black vultures with clearance of this fluoroquinolone in other avian species, and to evaluate whether allometric scaling is an appropriate tool for dose extrapolation in avian species. ANIMALS: 6 healthy adult American black vultures. PROCEDURES: Enrofloxacin concentrations were quantified by use of high-performance liquid chromatography...
August 2019: American Journal of Veterinary Research
https://read.qxmd.com/read/31072404/development-of-microsatellite-loci-for-two-new-world-vultures-cathartidae
#20
JOURNAL ARTICLE
Darren J Wostenberg, Jennifer A Fike, Sara J Oyler-McCance, Michael L Avery, Antoinette J Piaggio
OBJECTIVE: Use next-generation sequencing to develop microsatellite loci that will provide the variability necessary for studies of genetic diversity and population connectivity of two New World vulture species. RESULTS: We characterized 11 microsatellite loci for black vultures (Coragyps atratus) and 14 loci for turkey vultures (Cathartes aura). These microsatellite loci were grouped into 3 multiplex panels for each species. The number of alleles among black vulture samples ranged from 2 to 11, and 3 to 48 among turkey vulture samples...
May 9, 2019: BMC Research Notes
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