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Benmazouz I, Jokimäki J, Lengyel S, Juhász L, Kaisanlahti-Jokimäki ML, Kardos G, Paládi P, Kövér L. Corvids in Urban Environments: A Systematic Global Literature Review. Animals (Basel) 2021; 11:ani11113226. [PMID: 34827957 PMCID: PMC8614296 DOI: 10.3390/ani11113226] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Revised: 10/31/2021] [Accepted: 11/09/2021] [Indexed: 12/20/2022] Open
Abstract
Urbanization is one of the most prevalent drivers of biodiversity loss, yet few taxonomic groups are remarkably successful at adapting to urban environments. We systematically surveyed the global literature on the effects of urbanization on species of family Corvidae (crows, choughs, jackdaws, jays, magpies, nutcrackers, ravens, rooks, treepies) to assess the occurrence of corvids in urban environments and the factors affecting their success. We found a total of 424 primary research articles, and the number of articles has increased exponentially since the 1970s. Most studies were carried out in cities of Europe and North America (45.5% and 31.4%, respectively) and were directed on a single species (75.2). We found that 30 corvid species (23% of 133 total) regularly occur in urban environments. The majority (72%) of the studies reported positive effects of urbanization on corvids, with 85% of studies detecting population increases and 64% of studies detecting higher breeding success with urbanization. Of the factors proposed to explain corvids' success (availability of nesting sites and food sources, low predation and persecution), food availability coupled with diet shifts emerged as the most important factors promoting Corvidae to live in urban settings. The breeding of corvids in urban environments was further associated with earlier nesting, similar or larger clutches, lower hatching but higher fledging success, reduced home range size and limited territoriality, increased tolerance towards humans and increasing frequency of conflicts with humans. Despite geographic and taxonomic biases in our literature sample, our review indicates that corvids show both flexibility in resource use and behavioral plasticity that enable them to exploit novel resources for nesting and feeding. Corvids can thus be urban exploiters of the large-scale modifications of ecosystems caused by urbanization.
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Affiliation(s)
- Isma Benmazouz
- Animal Husbandry Doctoral School, University of Debrecen, 4032 Debrecen, Hungary;
- Correspondence:
| | - Jukka Jokimäki
- Arctic Centre, University of Lapland, 96300 Rovaniemi, Finland; (J.J.); (M.-L.K.-J.)
| | - Szabolcs Lengyel
- Department of Tisza Research, Institute of Aquatic Ecology, Centre for Ecological Research, Eötvös Loránd Research Network, 4026 Debrecen, Hungary;
| | - Lajos Juhász
- Department of Nature Conservation Zoology and Game Management, University of Debrecen, 4032 Debrecen, Hungary; (L.J.); (L.K.)
| | | | - Gábor Kardos
- Institute of Metagenomics, University of Debrecen, 4032 Debrecen, Hungary;
| | - Petra Paládi
- Animal Husbandry Doctoral School, University of Debrecen, 4032 Debrecen, Hungary;
| | - László Kövér
- Department of Nature Conservation Zoology and Game Management, University of Debrecen, 4032 Debrecen, Hungary; (L.J.); (L.K.)
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Jia B, Colling A, Stallknecht DE, Blehert D, Bingham J, Crossley B, Eagles D, Gardner IA. Validation of laboratory tests for infectious diseases in wild mammals: review and recommendations. J Vet Diagn Invest 2020; 32:776-792. [PMID: 32468923 DOI: 10.1177/1040638720920346] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Evaluation of the diagnostic sensitivity (DSe) and specificity (DSp) of tests for infectious diseases in wild animals is challenging, and some of the limitations may affect compliance with the OIE-recommended test validation pathway. We conducted a methodologic review of test validation studies for OIE-listed diseases in wild mammals published between 2008 and 2017 and focused on study design, statistical analysis, and reporting of results. Most published papers addressed Mycobacterium bovis infection in one or more wildlife species. Our review revealed limitations or missing information about sampled animals, identification criteria for positive and negative samples (case definition), representativeness of source and target populations, and species in the study, as well as information identifying animals sampled for calculations of DSe and DSp as naturally infected captive, free-ranging, or experimentally challenged animals. The deficiencies may have reflected omissions in reporting rather than design flaws, although lack of random sampling might have induced bias in estimates of DSe and DSp. We used case studies of validation of tests for hemorrhagic diseases in deer and white-nose syndrome in hibernating bats to demonstrate approaches for validation when new pathogen serotypes or genotypes are detected and diagnostic algorithms are changed, and how purposes of tests evolve together with the evolution of the pathogen after identification. We describe potential benefits of experimental challenge studies for obtaining DSe and DSp estimates, methods to maintain sample integrity, and Bayesian latent class models for statistical analysis. We make recommendations for improvements in future studies of detection test accuracy in wild mammals.
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Affiliation(s)
- Beibei Jia
- Department of Health Management, Atlantic Veterinary College, University of Prince Edward Island, Charlottetown, Canada (Jia, Gardner).,CSIRO Australian Animal Health Laboratory, Geelong, Victoria, Australia (Colling, Bingham, Eagles).,Southeastern Cooperative Wildlife Disease Study, College of Veterinary Medicine, University of Georgia, Athens, GA (Stallknecht).,U.S. Geological Survey, National Wildlife Health Center, Madison, WI (Blehert).,California Animal Health and Food Safety Laboratory, University of California-Davis, Davis, CA (Crossley)
| | - Axel Colling
- Department of Health Management, Atlantic Veterinary College, University of Prince Edward Island, Charlottetown, Canada (Jia, Gardner).,CSIRO Australian Animal Health Laboratory, Geelong, Victoria, Australia (Colling, Bingham, Eagles).,Southeastern Cooperative Wildlife Disease Study, College of Veterinary Medicine, University of Georgia, Athens, GA (Stallknecht).,U.S. Geological Survey, National Wildlife Health Center, Madison, WI (Blehert).,California Animal Health and Food Safety Laboratory, University of California-Davis, Davis, CA (Crossley)
| | - David E Stallknecht
- Department of Health Management, Atlantic Veterinary College, University of Prince Edward Island, Charlottetown, Canada (Jia, Gardner).,CSIRO Australian Animal Health Laboratory, Geelong, Victoria, Australia (Colling, Bingham, Eagles).,Southeastern Cooperative Wildlife Disease Study, College of Veterinary Medicine, University of Georgia, Athens, GA (Stallknecht).,U.S. Geological Survey, National Wildlife Health Center, Madison, WI (Blehert).,California Animal Health and Food Safety Laboratory, University of California-Davis, Davis, CA (Crossley)
| | - David Blehert
- Department of Health Management, Atlantic Veterinary College, University of Prince Edward Island, Charlottetown, Canada (Jia, Gardner).,CSIRO Australian Animal Health Laboratory, Geelong, Victoria, Australia (Colling, Bingham, Eagles).,Southeastern Cooperative Wildlife Disease Study, College of Veterinary Medicine, University of Georgia, Athens, GA (Stallknecht).,U.S. Geological Survey, National Wildlife Health Center, Madison, WI (Blehert).,California Animal Health and Food Safety Laboratory, University of California-Davis, Davis, CA (Crossley)
| | - John Bingham
- Department of Health Management, Atlantic Veterinary College, University of Prince Edward Island, Charlottetown, Canada (Jia, Gardner).,CSIRO Australian Animal Health Laboratory, Geelong, Victoria, Australia (Colling, Bingham, Eagles).,Southeastern Cooperative Wildlife Disease Study, College of Veterinary Medicine, University of Georgia, Athens, GA (Stallknecht).,U.S. Geological Survey, National Wildlife Health Center, Madison, WI (Blehert).,California Animal Health and Food Safety Laboratory, University of California-Davis, Davis, CA (Crossley)
| | - Beate Crossley
- Department of Health Management, Atlantic Veterinary College, University of Prince Edward Island, Charlottetown, Canada (Jia, Gardner).,CSIRO Australian Animal Health Laboratory, Geelong, Victoria, Australia (Colling, Bingham, Eagles).,Southeastern Cooperative Wildlife Disease Study, College of Veterinary Medicine, University of Georgia, Athens, GA (Stallknecht).,U.S. Geological Survey, National Wildlife Health Center, Madison, WI (Blehert).,California Animal Health and Food Safety Laboratory, University of California-Davis, Davis, CA (Crossley)
| | - Debbie Eagles
- Department of Health Management, Atlantic Veterinary College, University of Prince Edward Island, Charlottetown, Canada (Jia, Gardner).,CSIRO Australian Animal Health Laboratory, Geelong, Victoria, Australia (Colling, Bingham, Eagles).,Southeastern Cooperative Wildlife Disease Study, College of Veterinary Medicine, University of Georgia, Athens, GA (Stallknecht).,U.S. Geological Survey, National Wildlife Health Center, Madison, WI (Blehert).,California Animal Health and Food Safety Laboratory, University of California-Davis, Davis, CA (Crossley)
| | - Ian A Gardner
- Department of Health Management, Atlantic Veterinary College, University of Prince Edward Island, Charlottetown, Canada (Jia, Gardner).,CSIRO Australian Animal Health Laboratory, Geelong, Victoria, Australia (Colling, Bingham, Eagles).,Southeastern Cooperative Wildlife Disease Study, College of Veterinary Medicine, University of Georgia, Athens, GA (Stallknecht).,U.S. Geological Survey, National Wildlife Health Center, Madison, WI (Blehert).,California Animal Health and Food Safety Laboratory, University of California-Davis, Davis, CA (Crossley)
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More S, Bøtner A, Butterworth A, Calistri P, Depner K, Edwards S, Garin‐Bastuji B, Good M, Gortázar Schmidt C, Michel V, Miranda MA, Nielsen SS, Raj M, Sihvonen L, Spoolder H, Stegeman JA, Thulke H, Velarde A, Willeberg P, Winckler C, Baldinelli F, Broglia A, Dhollander S, Beltrán‐Beck B, Kohnle L, Morgado J, Bicout D. Assessment of listing and categorisation of animal diseases within the framework of the Animal Health Law (Regulation (EU) No 2016/429): West Nile fever. EFSA J 2017; 15:e04955. [PMID: 32625621 PMCID: PMC7009844 DOI: 10.2903/j.efsa.2017.4955] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
Abstract
West Nile fever (WNF) has been assessed according to the criteria of the Animal Health Law (AHL), in particular criteria of Article 7 on disease profile and impacts, Article 5 on the eligibility of WNF to be listed, Article 9 for the categorisation of WNF according to disease prevention and control rules as in Annex IV and Article 8 on the list of animal species related to WNF. The assessment has been performed following a methodology composed of information collection and compilation, expert judgement on each criterion at individual and, if no consensus was reached before, also at collective level. The output is composed of the categorical answer, and for the questions where no consensus was reached, the different supporting views are reported. Details on the methodology used for this assessment are explained in a separate opinion. According to the assessment performed, WNF can be considered eligible to be listed for Union intervention as laid down in Article 5(3) of the AHL. The disease would comply with the criteria as in Sections 2 and 5 of Annex IV of the AHL, for the application of the disease prevention and control rules referred to in points (b) and (e) of Article 9(1). The animal species to be listed for WNF according to Article 8(3) criteria are several orders of birds and mammals as susceptible species and several families of birds as reservoir. Different mosquito species can serve as vectors.
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Hernández-Jover M, Roche S, Ward MP. The human and animal health impacts of introduction and spread of an exotic strain of West Nile virus in Australia. Prev Vet Med 2012; 109:186-204. [PMID: 23098914 DOI: 10.1016/j.prevetmed.2012.09.018] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2011] [Revised: 09/07/2012] [Accepted: 09/23/2012] [Indexed: 10/27/2022]
Abstract
Vector-borne diseases can have substantial impacts on human and animal health, including major epidemics. West Nile virus (WNV) is of particular international importance due to its recent emergence and impact in the Western Hemisphere. Despite the presence of a sub-type of WNV (Kunjin virus, KUN) in Australia, a potential ecological niche could be occupied by an exotic strain of WNV of the North American type. This study assesses the probability an exotic strain of WNV enters Australia via an infected mosquito in an aircraft from the United States (U.S.) landing at Sydney airport, the probability it spreads to susceptible species and the impact of the resulting outbreak on human and animal health. A release, exposure and consequence assessment were conducted using expert opinion and scientific literature to parameterise the inputs for the models (OIE, 2009). Following establishment of WNV in Australia, the spatio-temporal spread of WNV was predicted over a six year period based on the Australian human and equine populations at-risk, the known distribution of other mosquito-borne flaviviruses in Australia, climatic factors, and the spread of WNV in the U.S. following it's incursion in New York City in 1999. The impact of this spread was measured as a multiplier of human and equine demographics using the U.S. incidence and case fatality rates as a reference. For an 8 month period from September to April (considering seasonal impact on mosquito activity during the coldest months in Australia and the U.S.), and assuming WNV is endemic in the U.S., the median probability an infected mosquito is introduced is 0.17, and the median number of infected mosquitoes introduced is predicted to be zero, with a 95th percentile range of one. The overall probability of a WNV outbreak (WNV released into Australia, susceptible hosts exposed and the virus spread) occurring in the human and the horse population during this time period is estimated to be 7.0×10(-6) and 3.9×10(-6), respectively. These values are largely influenced by the presence of mosquitoes in aircrafts and whether the introduced infected mosquito contacts wild birds. Results of this study suggest there is a low risk of introduction and spread of an exotic strain of WNV from the U.S via aircraft, and provides an insight into the magnitude and impact of the spread among human and horse populations. The generic framework presented could be applied to assess the potential introduction of other mosquito-borne diseases (which involve a wild bird transmission cycle) via international aircraft movements.
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