Pub Date : 2024-02-11DOI: 10.1080/01584197.2023.2275121
Simon J. Verdon, Robert A. Davis, Ayesha Tulloch, Sarah M. Legge, David M. Watson, John C.Z. Woinarski, G. Barry Baker, Joris Driessen, Hayley M. Geyle, Hugh Possingham, Stephen T. Garnett
Monitoring is vital to conservation, enabling conservation scientists to detect population declines, identify threats and measure the effectiveness of interventions. However, not all threatened tax...
{"title":"Trends in monitoring of Australia’s threatened birds (1990–2020): much improved but still inadequate","authors":"Simon J. Verdon, Robert A. Davis, Ayesha Tulloch, Sarah M. Legge, David M. Watson, John C.Z. Woinarski, G. Barry Baker, Joris Driessen, Hayley M. Geyle, Hugh Possingham, Stephen T. Garnett","doi":"10.1080/01584197.2023.2275121","DOIUrl":"https://doi.org/10.1080/01584197.2023.2275121","url":null,"abstract":"Monitoring is vital to conservation, enabling conservation scientists to detect population declines, identify threats and measure the effectiveness of interventions. However, not all threatened tax...","PeriodicalId":50532,"journal":{"name":"Emu-Austral Ornithology","volume":"39 1","pages":""},"PeriodicalIF":1.3,"publicationDate":"2024-02-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139771372","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-01-09DOI: 10.1080/01584197.2023.2290008
A. Lilleyman, J. Pascoe, C. Robinson, Sarah M. Legge, John C. Z. Woinarski, Stephen T. Garnett
For First Peoples across Australia, birds have important connections to kin and Country. We draw on a recent analysis of all Australia’s threatened bird taxa to identify on whose traditional Countr...
{"title":"Imperilled birds and First Peoples’ land and sea Country in Australia","authors":"A. Lilleyman, J. Pascoe, C. Robinson, Sarah M. Legge, John C. Z. Woinarski, Stephen T. Garnett","doi":"10.1080/01584197.2023.2290008","DOIUrl":"https://doi.org/10.1080/01584197.2023.2290008","url":null,"abstract":"For First Peoples across Australia, birds have important connections to kin and Country. We draw on a recent analysis of all Australia’s threatened bird taxa to identify on whose traditional Countr...","PeriodicalId":50532,"journal":{"name":"Emu-Austral Ornithology","volume":"15 1","pages":""},"PeriodicalIF":1.3,"publicationDate":"2024-01-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139412648","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-11-28DOI: 10.1080/01584197.2023.2283443
Louis J. Backstrom, Nicholas P. Leseberg, Corey T. Callaghan, Chris Sanderson, Richard. A. Fuller, James E. M. Watson
Citizen science is a popular approach to biodiversity surveying, whereby data that are collected by volunteer naturalists may help analysts to understand the distribution and abundance of wild orga...
{"title":"Using citizen science to identify Australia’s least known birds and inform conservation action","authors":"Louis J. Backstrom, Nicholas P. Leseberg, Corey T. Callaghan, Chris Sanderson, Richard. A. Fuller, James E. M. Watson","doi":"10.1080/01584197.2023.2283443","DOIUrl":"https://doi.org/10.1080/01584197.2023.2283443","url":null,"abstract":"Citizen science is a popular approach to biodiversity surveying, whereby data that are collected by volunteer naturalists may help analysts to understand the distribution and abundance of wild orga...","PeriodicalId":50532,"journal":{"name":"Emu-Austral Ornithology","volume":"48 4","pages":""},"PeriodicalIF":1.3,"publicationDate":"2023-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138527002","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-11-27DOI: 10.1080/01584197.2023.2276328
Penn Lloyd, Jonathan T. Coleman
Delayed natal dispersal is thought to have evolved in response to survival benefits of philopatry and group formation under environmental and/or demographic constraints, with kin selection subseque...
{"title":"Natal dispersal, philopatry and cooperative breeding in Eastern Yellow Robin Eopsaltria australis","authors":"Penn Lloyd, Jonathan T. Coleman","doi":"10.1080/01584197.2023.2276328","DOIUrl":"https://doi.org/10.1080/01584197.2023.2276328","url":null,"abstract":"Delayed natal dispersal is thought to have evolved in response to survival benefits of philopatry and group formation under environmental and/or demographic constraints, with kin selection subseque...","PeriodicalId":50532,"journal":{"name":"Emu-Austral Ornithology","volume":"54 1","pages":""},"PeriodicalIF":1.3,"publicationDate":"2023-11-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138527011","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-11-26DOI: 10.1080/01584197.2023.2269575
Lana Prior, Kieran Aland, Alexis L. Levengood, Dominique A. Potvin
Vocalisations are a key component of communication for species that employ crypsis. The Eastern Ground Parrot (Pezoporus wallicus wallicus) is one such species that lives within dense heathland hab...
{"title":"Vocal activity of the Eastern Ground Parrot (Pezoporus wallicus wallicus) and implications for acoustic monitoring efforts","authors":"Lana Prior, Kieran Aland, Alexis L. Levengood, Dominique A. Potvin","doi":"10.1080/01584197.2023.2269575","DOIUrl":"https://doi.org/10.1080/01584197.2023.2269575","url":null,"abstract":"Vocalisations are a key component of communication for species that employ crypsis. The Eastern Ground Parrot (Pezoporus wallicus wallicus) is one such species that lives within dense heathland hab...","PeriodicalId":50532,"journal":{"name":"Emu-Austral Ornithology","volume":"50 7","pages":""},"PeriodicalIF":1.3,"publicationDate":"2023-11-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138526987","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-11-26DOI: 10.1080/01584197.2023.2269189
Lachlan S. Richardson, Richard A. Fuller, David A. Stewart, Jane A. McDonald, Katharine Robertson, Stephen A. Oswald
Quantifying nest success for seabirds breeding in remote offshore islands can be logistically challenging, especially for species with protracted breeding phenologies. Thus, any monitoring program ...
{"title":"Saving our seabirds: variable breeding success of Red-tailed Tropicbirds in the Great Barrier Reef reveals the need for robust monitoring","authors":"Lachlan S. Richardson, Richard A. Fuller, David A. Stewart, Jane A. McDonald, Katharine Robertson, Stephen A. Oswald","doi":"10.1080/01584197.2023.2269189","DOIUrl":"https://doi.org/10.1080/01584197.2023.2269189","url":null,"abstract":"Quantifying nest success for seabirds breeding in remote offshore islands can be logistically challenging, especially for species with protracted breeding phenologies. Thus, any monitoring program ...","PeriodicalId":50532,"journal":{"name":"Emu-Austral Ornithology","volume":"52 9","pages":""},"PeriodicalIF":1.3,"publicationDate":"2023-11-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138527001","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-11-02DOI: 10.1080/01584197.2023.2273027
Penny Olsen, Mike Newman
{"title":"Vale Prof Margaret Cameron AM (1937—2023)","authors":"Penny Olsen, Mike Newman","doi":"10.1080/01584197.2023.2273027","DOIUrl":"https://doi.org/10.1080/01584197.2023.2273027","url":null,"abstract":"","PeriodicalId":50532,"journal":{"name":"Emu-Austral Ornithology","volume":"8 4","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135875405","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-11-01DOI: 10.1080/01584197.2023.2270232
Katherine L. Buchanan, Stephen Pruett-Jones
{"title":"Ornithology and open access publishing","authors":"Katherine L. Buchanan, Stephen Pruett-Jones","doi":"10.1080/01584197.2023.2270232","DOIUrl":"https://doi.org/10.1080/01584197.2023.2270232","url":null,"abstract":"","PeriodicalId":50532,"journal":{"name":"Emu-Austral Ornithology","volume":"55 2","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135221143","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-10-30DOI: 10.1080/01584197.2023.2267609
Stuart Rae, Renee Brawata, Claire Wimpenny, Micah Davies, Jaimie Hopkins
There have been few empirical studies of the sensitivity of birds to the effect of air pollutants. In late 2019 and early 2020 the Australian Capital Territory (ACT) and much of south-eastern Australia were affected by extreme wildfire events and smoke extended to surrounding areas. Prior to this event, GPS transmitters had been fitted to a sample of Little Eagles Hieraaetus morphnoides in the ACT as part of a study of their movement behaviour. Three of these birds carried transmitters in the breeding season during the fires and in the previous breeding season. This offered opportunistic analysis of data from both periods to test for effects of smoke on the birds’ flight behaviour. The effects of particulate matter in the air of ≤2.5 microns in diameter (PM2.5) and covariates on flight status were investigated with a binomial generalised linear model with logistic link. The birds were more likely to fly when there were low levels of PM2.5 and the odds of flying decreased as density of PM2.5 increased at a rate of 0.202% per ug/m3. None of the sample birds died during or after smoke exposure, although their respiratory system might have been affected.
{"title":"Wildfire smoke reduces Little Eagle ( <i>Hieraaetus morphnoides</i> ) flight activity","authors":"Stuart Rae, Renee Brawata, Claire Wimpenny, Micah Davies, Jaimie Hopkins","doi":"10.1080/01584197.2023.2267609","DOIUrl":"https://doi.org/10.1080/01584197.2023.2267609","url":null,"abstract":"There have been few empirical studies of the sensitivity of birds to the effect of air pollutants. In late 2019 and early 2020 the Australian Capital Territory (ACT) and much of south-eastern Australia were affected by extreme wildfire events and smoke extended to surrounding areas. Prior to this event, GPS transmitters had been fitted to a sample of Little Eagles Hieraaetus morphnoides in the ACT as part of a study of their movement behaviour. Three of these birds carried transmitters in the breeding season during the fires and in the previous breeding season. This offered opportunistic analysis of data from both periods to test for effects of smoke on the birds’ flight behaviour. The effects of particulate matter in the air of ≤2.5 microns in diameter (PM2.5) and covariates on flight status were investigated with a binomial generalised linear model with logistic link. The birds were more likely to fly when there were low levels of PM2.5 and the odds of flying decreased as density of PM2.5 increased at a rate of 0.202% per ug/m3. None of the sample birds died during or after smoke exposure, although their respiratory system might have been affected.","PeriodicalId":50532,"journal":{"name":"Emu-Austral Ornithology","volume":"56 5","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136019452","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-10-22DOI: 10.1080/01584197.2023.2267606
Daniel Gautschi, Dejan Stojanovic, Nicholas A. Macgregor, Luis Ortiz-Catedral, Melinda Wilson, Penny Olsen, Ross Crates, Robert Heinsohn
Understanding the population dynamics of endangered species is crucial to their conservation. Stochastic population models can be used to explore factors involved in population change, contributing to the understanding of a species’ population dynamics. Norfolk Island Green Parrots Cyanoramphus cookii have undergone significant population fluctuations in the last 50 years. Since 2013, most nestlings hatched in managed, predator-proofed nest sites have been individually marked. These nests have been considered the primary source of population growth. Yet, in 2021, most adult birds were unmarked, raising the question of whether unmarked parrots have been entering the population through undetected breeding in natural nests, and to what extent. We modelled Green Parrot population growth between 2013 and 2021 using stochastic population models in VORTEX to explore the potential dynamics involved in the observed population growth. Basic models involving breeding only in managed nests produced population estimates between 158 and 266, whereas more complex models that included breeding in unmanaged nests, and accounted for the large proportion of unmarked birds, produced population estimates between 360 and 1,041. We conclude that natural nests may have played a significant role in the population growth since 2013. If this is the case, broad-scale predator control may be largely responsible. Furthermore, our study shows how population models may be used to infer underlying demographic processes and inform conservation strategies, even in instances of data scarcity. Our method can be applied to other threatened species, and may prove particularly useful for small populations whose population dynamics remain unclear.
{"title":"Stochastic population models hindcast population trajectory and breeding history of an endangered parrot","authors":"Daniel Gautschi, Dejan Stojanovic, Nicholas A. Macgregor, Luis Ortiz-Catedral, Melinda Wilson, Penny Olsen, Ross Crates, Robert Heinsohn","doi":"10.1080/01584197.2023.2267606","DOIUrl":"https://doi.org/10.1080/01584197.2023.2267606","url":null,"abstract":"Understanding the population dynamics of endangered species is crucial to their conservation. Stochastic population models can be used to explore factors involved in population change, contributing to the understanding of a species’ population dynamics. Norfolk Island Green Parrots Cyanoramphus cookii have undergone significant population fluctuations in the last 50 years. Since 2013, most nestlings hatched in managed, predator-proofed nest sites have been individually marked. These nests have been considered the primary source of population growth. Yet, in 2021, most adult birds were unmarked, raising the question of whether unmarked parrots have been entering the population through undetected breeding in natural nests, and to what extent. We modelled Green Parrot population growth between 2013 and 2021 using stochastic population models in VORTEX to explore the potential dynamics involved in the observed population growth. Basic models involving breeding only in managed nests produced population estimates between 158 and 266, whereas more complex models that included breeding in unmanaged nests, and accounted for the large proportion of unmarked birds, produced population estimates between 360 and 1,041. We conclude that natural nests may have played a significant role in the population growth since 2013. If this is the case, broad-scale predator control may be largely responsible. Furthermore, our study shows how population models may be used to infer underlying demographic processes and inform conservation strategies, even in instances of data scarcity. Our method can be applied to other threatened species, and may prove particularly useful for small populations whose population dynamics remain unclear.","PeriodicalId":50532,"journal":{"name":"Emu-Austral Ornithology","volume":"97 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135462534","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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