Pub Date : 2024-03-07DOI: 10.2989/00306525.2024.2304359
Adrian JFK Craig, Shelley Edwards
The numbers of Common Starlings Sturnus vulgaris and indigenous starling species, as well as a subset of other common birds, were recorded from October 2006 to January 2020 at 72 point-count sites ...
{"title":"Counting Common Starlings: is Sturnus vulgaris invasive in rural South Africa?","authors":"Adrian JFK Craig, Shelley Edwards","doi":"10.2989/00306525.2024.2304359","DOIUrl":"https://doi.org/10.2989/00306525.2024.2304359","url":null,"abstract":"The numbers of Common Starlings Sturnus vulgaris and indigenous starling species, as well as a subset of other common birds, were recorded from October 2006 to January 2020 at 72 point-count sites ...","PeriodicalId":54655,"journal":{"name":"Ostrich","volume":"33 1","pages":""},"PeriodicalIF":1.0,"publicationDate":"2024-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140070846","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 : 2024-03-07DOI: 10.2989/00306525.2023.2297378
Soladoye B Iwajomo, Himma Bakam, Shiiwua A Manu, Ulf Ottosson, Kasper Thorup
The scale of movement associated with the migration of many intra-African bird species is still poorly known even with the increasing availability of tracking devices. In this study, we tracked the...
{"title":"Seasonal movements of Black Coucals Centropus grillii in Nigeria","authors":"Soladoye B Iwajomo, Himma Bakam, Shiiwua A Manu, Ulf Ottosson, Kasper Thorup","doi":"10.2989/00306525.2023.2297378","DOIUrl":"https://doi.org/10.2989/00306525.2023.2297378","url":null,"abstract":"The scale of movement associated with the migration of many intra-African bird species is still poorly known even with the increasing availability of tracking devices. In this study, we tracked the...","PeriodicalId":54655,"journal":{"name":"Ostrich","volume":"263 1","pages":""},"PeriodicalIF":1.0,"publicationDate":"2024-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140070755","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 : 2024-03-07DOI: 10.2989/00306525.2024.2309934
Clément Daboné, Idrissa Ouédraogo, Adama Ouéda, Lindy J Thompson, Peter DM Weesie
Large-scale declines in vulture populations have been recorded in West Africa. One concern is that the current trend in Hooded Vulture Necrosyrtes monachus populations in West Africa is poorly know...
{"title":"Hooded Vultures Necrosyrtes monachus are still declining in West Africa: a nearly 50-year assessment study (1969–2019)","authors":"Clément Daboné, Idrissa Ouédraogo, Adama Ouéda, Lindy J Thompson, Peter DM Weesie","doi":"10.2989/00306525.2024.2309934","DOIUrl":"https://doi.org/10.2989/00306525.2024.2309934","url":null,"abstract":"Large-scale declines in vulture populations have been recorded in West Africa. One concern is that the current trend in Hooded Vulture Necrosyrtes monachus populations in West Africa is poorly know...","PeriodicalId":54655,"journal":{"name":"Ostrich","volume":"9 1","pages":""},"PeriodicalIF":1.0,"publicationDate":"2024-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140070756","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 : 2024-03-01DOI: 10.2989/00306525.2024.2306612
Mohammed Hilmi, Abdallah Mahamoud, Omar Taouali, Nadia Mhammdi, Pedro Fernandes, Mohammed Aziz El Agbani, Abdeljebbar Qninba
The Brown-throated Martin Riparia paludicola (subspecies mauritanica) of family Hirundinidae is endemic to Morocco and known for its ability to dig tunnels in earthen banks in which it nests. The n...
{"title":"Nesting habitat of the Brown-throated Martin Riparia paludicola mauritanica in Morocco","authors":"Mohammed Hilmi, Abdallah Mahamoud, Omar Taouali, Nadia Mhammdi, Pedro Fernandes, Mohammed Aziz El Agbani, Abdeljebbar Qninba","doi":"10.2989/00306525.2024.2306612","DOIUrl":"https://doi.org/10.2989/00306525.2024.2306612","url":null,"abstract":"The Brown-throated Martin Riparia paludicola (subspecies mauritanica) of family Hirundinidae is endemic to Morocco and known for its ability to dig tunnels in earthen banks in which it nests. The n...","PeriodicalId":54655,"journal":{"name":"Ostrich","volume":"27 1","pages":""},"PeriodicalIF":1.0,"publicationDate":"2024-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140009349","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 : 2024-02-22DOI: 10.2989/00306525.2023.2294450
Jonah Gula, Amukena Mungole, Kirsty J Kyle, Matthew J Burnett, Moses Chibesa, Colleen T Downs
Knowledge of where species breed is important for understanding population trends, range shifts and conservation threats. During fieldwork in 2019–2023 in Western Province, Zambia, we recorded evid...
{"title":"New waterbird breeding records in Western Province, Zambia","authors":"Jonah Gula, Amukena Mungole, Kirsty J Kyle, Matthew J Burnett, Moses Chibesa, Colleen T Downs","doi":"10.2989/00306525.2023.2294450","DOIUrl":"https://doi.org/10.2989/00306525.2023.2294450","url":null,"abstract":"Knowledge of where species breed is important for understanding population trends, range shifts and conservation threats. During fieldwork in 2019–2023 in Western Province, Zambia, we recorded evid...","PeriodicalId":54655,"journal":{"name":"Ostrich","volume":"50 1","pages":""},"PeriodicalIF":1.0,"publicationDate":"2024-02-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139954856","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 : 2023-12-16DOI: 10.2989/00306525.2023.2286594
Les G Underhill, Tanya Scott
The Underhill–Zucchini model of avian moult is a statistical simplification for the analysis of primary moult, a complex biological system in birds. As with all such models, conclusions can be bias...
{"title":"Influence of groups of points on estimates of the parameters of moult","authors":"Les G Underhill, Tanya Scott","doi":"10.2989/00306525.2023.2286594","DOIUrl":"https://doi.org/10.2989/00306525.2023.2286594","url":null,"abstract":"The Underhill–Zucchini model of avian moult is a statistical simplification for the analysis of primary moult, a complex biological system in birds. As with all such models, conclusions can be bias...","PeriodicalId":54655,"journal":{"name":"Ostrich","volume":"56 1","pages":""},"PeriodicalIF":1.0,"publicationDate":"2023-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138682940","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 : 2023-12-16DOI: 10.2989/00306525.2023.2269479
Peter G Ryan
Petrels that breed in burrows and return to their colonies after dark are among the most poorly studied seabirds. Brown Skuas Stercorarius antarcticus (family Stercorariidae) are major predators of...
{"title":"Long-term changes in petrel populations on Inaccessible Island, Tristan da Cunha, inferred from the diet of Brown Skuas Stercorarius antarcticus","authors":"Peter G Ryan","doi":"10.2989/00306525.2023.2269479","DOIUrl":"https://doi.org/10.2989/00306525.2023.2269479","url":null,"abstract":"Petrels that breed in burrows and return to their colonies after dark are among the most poorly studied seabirds. Brown Skuas Stercorarius antarcticus (family Stercorariidae) are major predators of...","PeriodicalId":54655,"journal":{"name":"Ostrich","volume":"21 1","pages":""},"PeriodicalIF":1.0,"publicationDate":"2023-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138682867","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 : 2023-12-16DOI: 10.2989/00306525.2023.2287165
Rebecca R Irons, Alan TK Lee, Robert L Thomson, Birgit Erni
Moult is a vital but energy-demanding event in a bird's phenological cycle. Primary moult is the shedding of old feathers and the regeneration of new flight feathers to maintain efficient functioni...
{"title":"Using generalised additive models to visualise the annual cycle of primary feather moult patterns","authors":"Rebecca R Irons, Alan TK Lee, Robert L Thomson, Birgit Erni","doi":"10.2989/00306525.2023.2287165","DOIUrl":"https://doi.org/10.2989/00306525.2023.2287165","url":null,"abstract":"Moult is a vital but energy-demanding event in a bird's phenological cycle. Primary moult is the shedding of old feathers and the regeneration of new flight feathers to maintain efficient functioni...","PeriodicalId":54655,"journal":{"name":"Ostrich","volume":"3 1","pages":""},"PeriodicalIF":1.0,"publicationDate":"2023-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138683283","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: 10.2989/00306525.2023.2272051
Alan TK Lee
When and where birds lose their feathers during the annual moult cycle is a fascinating subject, but there is little reported on patterns and strategies of moult for most African bird species. Whil...
{"title":"Multiple circannual moult strategies: feather tract moult patterns for common birds of the central Fynbos region, South Africa","authors":"Alan TK Lee","doi":"10.2989/00306525.2023.2272051","DOIUrl":"https://doi.org/10.2989/00306525.2023.2272051","url":null,"abstract":"When and where birds lose their feathers during the annual moult cycle is a fascinating subject, but there is little reported on patterns and strategies of moult for most African bird species. Whil...","PeriodicalId":54655,"journal":{"name":"Ostrich","volume":"47 1","pages":""},"PeriodicalIF":1.0,"publicationDate":"2023-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138516173","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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