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ORNITHOLOGY (29 journals)

Showing 1 - 29 of 29 Journals sorted alphabetically
Acrocephalus     Open Access   (Followers: 10)
Acta Ornithologica     Full-text available via subscription   (Followers: 11)
Avian Research     Open Access   (Followers: 8)
Bird Conservation International     Hybrid Journal   (Followers: 25, SJR: 0.581, CiteScore: 1)
Bird Study     Hybrid Journal   (Followers: 27)
British Birds     Full-text available via subscription   (Followers: 27)
Bulletin of the British Ornithologists Club     Open Access  
EMU - Austral Ornithology     Hybrid Journal   (Followers: 22)
Huitzil. Revista de Ornitologia Mexicana     Open Access   (Followers: 4)
Ibis     Hybrid Journal   (Followers: 40)
Journal of Field Ornithology     Hybrid Journal   (Followers: 25)
Journal of Ornithology     Hybrid Journal   (Followers: 26)
Journal of Raptor Research     Full-text available via subscription   (Followers: 10)
Natural History Sciences     Open Access   (Followers: 3)
Open Ornithology Journal     Open Access   (Followers: 1)
Ornis Hungarica     Open Access   (Followers: 3)
Ornis Norvegica     Open Access   (Followers: 2)
Ornithological Science     Full-text available via subscription   (Followers: 7)
Ornithology Research     Hybrid Journal   (Followers: 2)
Ostrich : Journal of African Ornithology     Hybrid Journal   (Followers: 10)
Ringing & Migration     Hybrid Journal   (Followers: 5)
Rivista Italiana di Ornitologia     Open Access   (Followers: 1)
Scopus     Open Access   (Followers: 4)
Slovak Raptor Journal     Open Access   (Followers: 3)
Sunbird: Journal of the Queensland Ornithological Society, The     Full-text available via subscription   (Followers: 4)
The Auk: A Quarterly Journal of Ornithology     Full-text available via subscription   (Followers: 44)
The Wilson Journal of Ornithology     Full-text available via subscription   (Followers: 26)
Waterbirds     Full-text available via subscription   (Followers: 12)
Wildfowl     Open Access   (Followers: 8)
Similar Journals
Journal Cover
Bird Conservation International
Journal Prestige (SJR): 0.581
Citation Impact (citeScore): 1
Number of Followers: 25  
  Hybrid Journal Hybrid journal (It can contain Open Access articles)
ISSN (Print) 0959-2709 - ISSN (Online) 1474-0001
Published by Cambridge University Press Homepage  [387 journals]
  • BCI volume 30 issue 2 Cover and Front matter
    • PubDate: 2020-06-01T00:00:00.000Z
      DOI: 10.1017/S0959270920000313
      Issue No: Vol. 30, No. 2 (2020)
  • BCI volume 30 issue 2 Cover and Back matter
    • PubDate: 2020-06-01T00:00:00.000Z
      DOI: 10.1017/S0959270920000325
      Issue No: Vol. 30, No. 2 (2020)
  • Evaluation of disturbance effect on geese caused by an approaching
           unmanned aerial vehicle
      Pages: 169 - 175
      Abstract: Unmanned aerial vehicles (UAVs) are useful tools in ornithological studies. Importantly, though, UAV-caused disturbance has been noted to vary among species. This study evaluated guidelines for UAVs as a tool for researching geese. Twenty-four flocks of foraging geese were approached at an altitude of 50–100 m with a quadcopter UAV and disturbance effects were analysed across different horizontal distances between the UAV and the flocks. Geese were increasingly disturbed when approached by a UAV, with birds showing increased vigilance behaviour within approximately 300 m. Increasing UAV flight altitude as well as increasing take-off distance from the flocks both decreased the risk of bird flocks flushing. In conclusion, when monitoring geese using UAVs, flight altitudes of 100 m and take-off distances of ideally ∼500 m are recommended, to minimise initial disturbance and reducing the risk of birds flushing.
      PubDate: 2020-06-01T00:00:00.000Z
      DOI: 10.1017/S0959270919000364
      Issue No: Vol. 30, No. 2 (2020)
  • Aythya+marila&rft.title=Bird+Conservation+International&rft.issn=0959-2709&ŁUKASZ+JANKOWIAK,+ŁUKASZ+ŁAWICKI,+DARIUSZ+WYSOCKI,+PRZEMYSŁAW+CHYLARECKI&rft_id=info:doi/10.1017/S0959270919000492">Fishery bycatch is among the most important threats to the European
           population of Greater Scaup Aythya marila
      Pages: 176 - 193
      Abstract: For Greater Scaup Aythya marila, classified as ‘Vulnerable’ on the European Red List of Birds, the south-western Baltic Sea is one of the most important wintering sites in Europe. In this area, a large concentration of gillnet fishery temporally overlaps periods of the most abundant occurrence of foraging diving birds. The aim of the article is to show how bycatch can impact the population of a diving duck. To assess this, we calculate the Potential Biological Removal (PBR) for the studied Greater Scaup population and we model the population change according to age-structured matrix models. Summing all the available recent figures on Greater Scaup bycatch in north-west Europe yields an estimated mean annual total of 3,991 individuals (2% of the flyway population). For a baseline stable population, an age-structured matrix model indicates that at this bycatch level the Greater Scaup population that winters in north-west Europe will decrease by 36% over the next 30 years, qualifying the status of the population as ‘Vulnerable’ according to IUCN criteria. As this population also experiences decline prior to bycatch, this decrease will be 57%, which qualifies the status as ‘Endangered’. PBR as an indicator of population vitality does not work in our case because the PBR-informed allowable bycatch values have a significantly negative impact on the population. Our results indicate unambiguously that fishery bycatch is among the most important threats responsible for the Greater Scaup’s decline. While recent data suggest that some improvement has taken place in the species’ status over the last 10 years, measures to protect Greater Scaup from bycatch are required. The solution should involve the prohibition of gillnet fishing in selected key sites and the use of mitigation techniques in other areas.
      PubDate: 2020-06-01T00:00:00.000Z
      DOI: 10.1017/S0959270919000492
      Issue No: Vol. 30, No. 2 (2020)
  • Catharus+bicknelli,+with+and+without+mitigation&rft.title=Bird+Conservation+International&rft.issn=0959-2709&ÎTRE&rft.aufirst=JÉRÔME&ÉRÔME+LEMAÎTRE&">Effects of wind energy production on a threatened species, the
           Bicknell’s Thrush Catharus bicknelli, with and without mitigation
      Pages: 194 - 209
      Abstract: Renewable energy helps meet the growing energetic demand while reducing greenhouse gas emissions. Despite its environmental benefits, production of wind energy can adversely affect wildlife populations, including birds. In some species, indirect impacts such as habitat loss and disturbance may be more important than fatalities caused by collisions with turbines. Bicknell’s Thrush Catharus bicknelli, one of the most endangered bird species in North America, may be threatened by wind energy production because it breeds at high elevation sites, which are often prized for their wind potential. Our study had two objectives: we first aimed to document the impacts of the construction and operation of a wind energy facility without mitigation strategy on the occurrence of the Bicknell’s Thrush. At a second facility, we then tested the effectiveness of turbine micro-siting as an effective mitigation strategy to reduce the impacts of wind-energy development on the species. We conducted avian point-counts at 143 locations spread across both facilities in Quebec (Canada) at different periods: before, during and after construction. We modelled the probability of occurrence of the species at point-counts as a function of period, forest loss caused by wind energy development, distance to the nearest turbine and habitat suitability. At the facility without mitigation, we found that the probability of occurrence decreased during construction and early operation at high elevation sites, where most of the turbines were erected. However, the Bicknell’s Thrush recolonized high elevation sites eight years post-construction. In addition, we did not detect a significant impact of wind energy production on the species’ occurrence at the facility where micro-siting was applied. We conclude that habitat loss and disturbance during construction are the main impacts of wind energy production on the Bicknell’s Thrush and that micro-siting appears to be a promising mitigation strategy.
      PubDate: 2020-06-01T00:00:00.000Z
      DOI: 10.1017/S095927092000012X
      Issue No: Vol. 30, No. 2 (2020)
  • Pavo+muticus+populations&rft.title=Bird+Conservation+International&rft.issn=0959-2709&,+TOMMASO+SAVINI&rft_id=info:doi/10.1017/S0959270919000443">Lower levels of human disturbance correspond with longer-term persistence
           of Endangered Green Peafowl Pavo muticus populations
      Pages: 210 - 219
      Abstract: Galliformes are one of the most threatened groups of birds in South-East Asia, with 27% of the species threatened with extinction. Long term population viability and extinction probability studies, at different levels of threat and management, are lacking due to weak life history data. This study aimed to define the long-term viability and extinction risk of two populations of the endangered Green Peafowl Pavo muticus, facing different threat and protection levels, using Bayesian Population Viability Analysis (BPVA), which requires less data than traditional methods. The results showed an increasing trend in the Green Peafowl population in HuaiKhaKhaeng Wildlife Sanctuary (western Thailand), with a high protection level and low disturbance and high probability of assuring persistence for the next 100 years. By contrast, the population in YokDon National Park (south-central Vietnam), with a high habitat disturbance level and significant hunting pressure, is predicted to decline and has a high probability (99%) of extinction by 2097. Also, the BPVA showed minimum viable population (MVP) estimates of 250 and 450 calling males for the HuaiKhaKhaeng and YokDon populations respectively, assuring high probabilities of long-term persistence if the minimum numbers of males are available. The population size of 219 calling males at YokDon during the 2013 survey is lower than the MVP threshold of 450 calling males, which suggests the species has a low probability of long-term persistence in the area. Despite limited life history and population data, BPVA predicted the future of this population under site-specific conditions, and the results could be used to promote better management and population restoration.
      PubDate: 2020-06-01T00:00:00.000Z
      DOI: 10.1017/S0959270919000443
      Issue No: Vol. 30, No. 2 (2020)
  • Physiological stress and behavioural responses of European Rollers and
           Eurasian Scops Owls to human disturbance differ in farming habitats in the
           south of Spain
      Pages: 220 - 235
      Abstract: Human activities are altering ecosystems and threatening the well-being of wildlife. The study of the stressful effects of human disturbances on animal distribution, physiology and behaviour can provide fundamental insights for wildlife conservation. Here, we assess how two declining birds, the European Roller Coracias garrulus and the European Scops Owl Otus scops, cope with alteration by human activities in farming habitats of the south of Spain. We studied nest distribution, quantified nestling physiology (corticosterone levels in plasma and feathers and body weight close to fledgling) and parental behaviour (feeding rates) of both species along a human alteration gradient. Rollers and Scops Owls used the same type of habitat and their spatial distribution was not determined by individual quality. In Rollers, nestlings raised in scrubland areas had high stress-induced corticosterone levels, possibly due to high predation risk in this habitat. In addition, Rollers and Scops Owls showed opposite relationships with farming activity and human disturbance. Nestling Rollers showed the highest corticosterone levels in feathers, weight and parental feeding rates in areas with intense farming activity. These results suggest that despite the disturbance produced by farming activities, inducing a higher stress in these areas, cultivated areas may, simultaneously, provide parents with a higher abundance of prey which would trigger increased feeding rates and, hence, higher nestling weights. Furthermore, nestling Scops Owls showed the highest stress-induced corticosterone levels in areas close to roads, suggesting that they would be affected by human disturbance due to infrastructures that disturb also at night when Scops Owls are active. Therefore, susceptibility to human disturbance may vary between species, probably due to variation in the daily pattern of human activities and the species’ activity rhythm, buffering or exacerbating the effects, which should be considered in future studies on human alterations and birds.
      PubDate: 2020-06-01T00:00:00.000Z
      DOI: 10.1017/S0959270919000388
      Issue No: Vol. 30, No. 2 (2020)
  • Poicephalus+robustus&rft.title=Bird+Conservation+International&rft.issn=0959-2709&,+MIKE+R.+PERRIN,+SANDI+WILLOWS-MUNRO&rft_id=info:doi/10.1017/S0959270919000315">Influence of historical and contemporary habitat changes on the population
           genetics of the endemic South African parrot Poicephalus robustus
      Pages: 236 - 259
      Abstract: The Cape Parrot Poicephalus robustus is a habitat specialist, restricted to forest patches in the Eastern Cape (EC), KwaZulu-Natal (KZN) and Limpopo provinces of South Africa. Recent census estimates suggest that there are less than 1,600 parrots left in the wild, although historical data suggest that the species was once more numerous. Fragmentation of the forest biome is strongly linked to climate change and exploitation of the forest by the timber industry. We examine the subpopulation structure and connectivity between fragmented populations across the distribution of the species. Differences in historical and contemporary genetic structure of Cape Parrots is examined by including both modern samples, collected from 1951 to 2014, and historical samples, collected from 1870 to 1946. A total of 114 individuals (historical = 29; contemporary = 85) were genotyped using 16 microsatellite loci. We tested for evidence of partitioning of genotypes at both a temporal and spatial scales by comparing shifts in allelic frequencies of historical (1870–1946) and contemporary (1951–2014) samples across the distribution of the species. Tests for population bottlenecks were also conducted to determine if anthropogenic causes are the main driver of population decline in this species. Analyses identified three geographically correlated genetic clusters. A southern group restricted to forest patches in the EC, a central group including birds from KZN and a genetically distinct northern Limpopo cluster. Results suggest that Cape Parrots have experienced at least two population bottlenecks. An ancient decline during the mid-Holocene (∼ 1,800-3,000 years before present) linked to climate change, and a more recent bottleneck, associated with logging of forests during the early 1900s. This study highlights the effects of climate change and human activities on an endangered species associated with the naturally fragmented forests of eastern South Africa. These results will aid conservation authorities with the planning and implementation of future conservation initiatives. In particular, this study emphasises the Eastern Cape mistbelt forests as an important source population for the species and calls for stronger conservation of forest patches in South Africa to promote connectivity of forest taxa.
      PubDate: 2020-06-01T00:00:00.000Z
      DOI: 10.1017/S0959270919000315
      Issue No: Vol. 30, No. 2 (2020)
  • Crex+crex&rft.title=Bird+Conservation+International&rft.issn=0959-2709&,+JEAN+SECONDI&rft_id=info:doi/10.1017/S0959270919000327">No evidence for a loss of genetic diversity despite a strong decline in
           size of a European population of the Corncrake Crex crex
      Pages: 260 - 266
      Abstract: The preservation of genetic diversity is an important aspect of conservation biology. Low genetic diversity within a population can lead to inbreeding depression and a reduction in adaptive potential, which may increase extinction risk. Here we report changes in genetic diversity over 12 years in a declining population of the Corncrake Crex crex, a grassland bird species of high conservation concern throughout Europe. Despite a twofold demographic decline during the same period, we found no evidence for a reduction of genetic diversity. The gradual genetic differentiation observed among populations of Corncrake across Europe suggests that genetic diversity is maintained in western populations by constant gene flow from the larger and more productive populations in eastern Europe and Asia. The maintenance of genetic diversity in this species is an opportunity that may help the implementation of effective conservation actions across the Corncrake’s European range.
      PubDate: 2020-06-01T00:00:00.000Z
      DOI: 10.1017/S0959270919000327
      Issue No: Vol. 30, No. 2 (2020)
  • Pilot biodiversity assessment of the Hkakabo Razi passerine avifauna in
           northern Myanmar – implications for conservation from molecular genetics
      Pages: 267 - 288
      Abstract: The Hkakabo Razi region located in northern Myanmar is an Important Bird Area and part of the Eastern Himalayan Biodiversity Hotspot. Within the framework of the World Heritage Convention to enlist the site under criterion (ix) and (x), we conducted a biodiversity assessment for passerine birds using DNA barcoding and other molecular markers. Of the 441 bird species recorded, we chose 16 target species for a comparative phylogeographic study. Genetic analysis was performed for a larger number of species and helped identifying misidentified species. We found phylogeographic structure in all but one of the 16 study species. In 13 species, populations from northern Myanmar were genetically distinctive and local mitochondrial lineages differed from those found in adjacent regions by 3.9–9.9% uncorrected genetic distances (cytochrome-b). Since the genetic distinctiveness of study populations will be corroborated by further differences in morphology and song as in other South-East Asian passerines, many of them will be candidates for taxonomic splits, or in case an older taxon name is not available, for the scientific description of new taxa. Considering the short time frame of our study we predict that a great part of undetected faunal diversity in the Hkakabo Razi region will be discovered.
      PubDate: 2020-06-01T00:00:00.000Z
      DOI: 10.1017/S0959270919000273
      Issue No: Vol. 30, No. 2 (2020)
  • Neophron+percnopterus+on+the+brink:+community+perceptions,+inferences+and+facts+of+an+extreme+population+crash&rft.title=Bird+Conservation+International&rft.issn=0959-2709&,+ISABEL+RODRIGUES,+ALEX+TAVARES,+GILDA+MONTEIRO,+PEDRO+LÓPEZ,+SAMIR+MARTINS,+JOÃO+FERREIRA,+LIZA+LIMA,+JOSÉ+PEDRO+TAVARES,+LUÍS+PALMA&rft_id=info:doi/10.1017/S0959270919000376">Cabo Verde Egyptian Vulture Neophron percnopterus on the brink: community
           perceptions, inferences and facts of an extreme population crash
      Pages: 289 - 307
      Abstract: The Egyptian Vulture Neophron percnopterus was once an abundant species in the Cabo Verde Islands. Since the 1960s though, and especially during the 1980–1990s, it consistently declined to near extinction. Evidence collected indicates a remnant population of about a dozen pairs or less, scattered through the desert rangelands of only three islands. Extensive enquiry work revealed that this likely resulted from the concomitant effects of the rise in unnatural mortality due to the formerly widespread and long-lasting use of dangerous pesticides and the (still on-going) poisoning of stray dogs and other nuisance animals, and a decrease in food resources associated with factors linked with development, such as urbanisation, rural abandonment and better sanitation. Avoiding imminent extinction calls for emergency action against current threats to the remaining vultures, such as poisoning and electrocution, but also potential causes of impaired fecundity such as hazardous pesticides and shortage of food resources.
      PubDate: 2020-06-01T00:00:00.000Z
      DOI: 10.1017/S0959270919000376
      Issue No: Vol. 30, No. 2 (2020)
  • Houbaropsis+bengalensis+population&rft.title=Bird+Conservation+International&rft.issn=0959-2709&,+SON+VIRAK,+PHEARUN+SUM,+STEPHEN+T.+GARNETT&rft_id=info:doi/10.1017/S0959270919000157">Catastrophic ongoing decline in Cambodia’s Bengal Florican Houbaropsis
           bengalensis population
      Pages: 308 - 322
      Abstract: In 2013 a prediction was made that the South-East Asian subspecies of Bengal Florican Houbaropsis bengalensis blandini would be extinct within 10 years. In 2018 we conducted a survey in the Tonle Sap floodplain, Cambodia, of the last population of Bengal Florican in South-East Asia. We found that the rate of decline in displaying males was 55% over five years, a decline comparable to that recorded between 2005–2007 and 2012. The estimated number of displaying males in 2018 was 104 (95% CI: 89–117), down from 216 (156–275) in 2012. We also conducted surveys by flushing birds in the non-breeding season, which indicated that the sex ratio of males to females is 3:1. We therefore estimate that the total population of adult Bengal Floricans in Cambodia in 2018 was 138 (119–156), making H. b. blandini the most threatened bustard taxon. The number of sites that support displaying male Bengal Floricans was reduced from 10 to four between 2012 and 2018. Between 2012 and 2018 we monitored numbers of displaying males in most years at the sites that support 80% of the total population. The only site where numbers of birds are stable is Stoung-Chikraeng Bengal Florican Conservation Area, where there were 44 (25–63) displaying males in 2018. This is the only site that has an ongoing NGO-government conservation programme. Our data indicate that Bengal Floricans are lost from sites when the area of grassland falls below 25 km2. We found evidence that displaying male Bengal Floricans abandon display territories when grassland is lost, this also creates hope that they may disperse and could colonise newly created habitat. All remaining sites that support Bengal Floricans in Cambodia are imperilled and we outline what must be done to reduce the possibility that H. b. blandini will be extinct by 2023.
      PubDate: 2020-06-01T00:00:00.000Z
      DOI: 10.1017/S0959270919000157
      Issue No: Vol. 30, No. 2 (2020)
  • Ciconia+boyciana+in+Yellow+River+Delta,+China&rft.title=Bird+Conservation+International&rft.issn=0959-2709&,+LIXIN+WU,+GUANGHAI+FENG&rft_id=info:doi/10.1017/S0959270919000303">Nest site selection and its implications for conservation of the
           endangered Oriental Stork Ciconia boyciana in Yellow River Delta, China
      Pages: 323 - 334
      Abstract: Avian nest site selection is crucial to breeding birds especially for large endangered waterbirds. We investigated the population dynamics, nests and breeding habitat selection, offspring numbers and reproductive success rate of Oriental Stork Ciconia boyciana from February to June 2017 in Yellow River Delta National Nature Reserve (YRD NNR), Shandong, China. We measured the characteristic variables of 32 control plots by random selection and 62 nest plots, including 40 nests on power poles, 14 nests on artificial poles and eight nests on pylon poles. We used conditional logistic regression and model-averaging to quantify data and model characteristic variables affecting nest site selection. Our results showed that human disturbance was the main negative factor affecting Oriental Stork’s selection of power pole nests. Meanwhile, distance from highways was the most important variable for the selection of artificial nests. Distance from sightseeing sites was the main explanatory variable that contributed to the selection of pylon nests. Based on our findings, we recommend promoting conservation of this species by reducing human disturbance, such as forbidding use of car horns in nest site areas and providing enough suitable nest sites.
      PubDate: 2020-06-01T00:00:00.000Z
      DOI: 10.1017/S0959270919000303
      Issue No: Vol. 30, No. 2 (2020)
School of Mathematical and Computer Sciences
Heriot-Watt University
Edinburgh, EH14 4AS, UK
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