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IUCN/SCC Otter Specialist Group Bulletin最新文献

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Stepping stones facilitate river crossings by Myrmecophaga tridactyla in the north-eastern Brazilian Amazon 在巴西亚马逊河东北部，为三趾巨蛛(Myrmecophaga triidactyla)过河提供了便利
IUCN/SCC Otter Specialist Group Bulletin Pub Date : 2019-01-23 DOI: 10.2305/IUCN.CH.2018.EDENTATA-19-1.3.EN
Louisa Mamalis, Suenny Sousa da Silva, A. Valerio, D. Norris, F. Michalski
{"title":"Stepping stones facilitate river crossings by Myrmecophaga tridactyla in the north-eastern Brazilian Amazon","authors":"Louisa Mamalis, Suenny Sousa da Silva, A. Valerio, D. Norris, F. Michalski","doi":"10.2305/IUCN.CH.2018.EDENTATA-19-1.3.EN","DOIUrl":"https://doi.org/10.2305/IUCN.CH.2018.EDENTATA-19-1.3.EN","url":null,"abstract":"The ability of giant anteaters (Myrmecophaga tridactyla) to swim has been documented in the literature, but observations in the wild are scarce. Here, we document an observation recorded on 26 September 2017 when an adult M. tridactyla was seen crossing a 150 m wide river in the north-eastern Amazon, Brazil. The individual successfully crossed the river using a combination of swimming and walking over large rocks that were exposed during the dry season. It appears likely that the individual chose the river section with large rocks to help it to cross the river. We discuss that rocks may play a role in the facilitation of river crossings by giant anteaters and other mammals, especially during the dry season when the river level is lower, thus creating more rapids and more exposed rocks that can be utilized.","PeriodicalId":52080,"journal":{"name":"IUCN/SCC Otter Specialist Group Bulletin","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2019-01-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87092323","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Notes on giant armadillo Priodontes maximus (Cingulata: Chlamyphoridae) distribution and ecology in Eucalyptus plantation landscapes in eastern Mato Grosso do Sul State, Brazil 巴西南马托格罗索州东部桉树人工林景观中巨型犰狳的分布和生态研究
IUCN/SCC Otter Specialist Group Bulletin Pub Date : 2019-01-23 DOI: 10.2305/IUCN.CH.2018.EDENTATA-19-1.6.EN
C. Esteves, Daniel Henrique Homem, R. Bernardo, Elson Fernandes de Lima
{"title":"Notes on giant armadillo Priodontes maximus (Cingulata: Chlamyphoridae) distribution and ecology in Eucalyptus plantation landscapes in eastern Mato Grosso do Sul State, Brazil","authors":"C. Esteves, Daniel Henrique Homem, R. Bernardo, Elson Fernandes de Lima","doi":"10.2305/IUCN.CH.2018.EDENTATA-19-1.6.EN","DOIUrl":"https://doi.org/10.2305/IUCN.CH.2018.EDENTATA-19-1.6.EN","url":null,"abstract":"Despite its wide distribution in South America, ranging from northern Venezuela and the Guianas south to Paraguay and northern Argentina, the vulnerable giant armadillo (Priodontes maximus) occurs at low densities and is little studied due to its elusive habits. In Brazil species' records have been collected from the Pantanal and central Cerrado but little information is known from the eastern border of Mato Grosso do Sul. Here we report 97 records of giant armadillo in this region from areas of private lands using camera-traps and signs of presence in Cerrado and Atlantic Forest biomes.","PeriodicalId":52080,"journal":{"name":"IUCN/SCC Otter Specialist Group Bulletin","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2019-01-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82809602","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
Registros de oso melero (Tamandua tetradactyla) en la Provincia de San Luis, Argentina. Ampliación del límite austral de la distribución de la especie 在阿根廷圣路易斯省的梅罗熊(Tamandua tetradactyla)的记录。扩大了物种分布的南部界限
IUCN/SCC Otter Specialist Group Bulletin Pub Date : 2019-01-23 DOI: 10.2305/iucn.ch.2018.edentata-19-1.7.en
Matias Ayarragaray Tabuenca, Maria Laura Gomez Vinassa, Noelia Celeste Fernandez
{"title":"Registros de oso melero (Tamandua tetradactyla) en la Provincia de San Luis, Argentina. Ampliación del límite austral de la distribución de la especie","authors":"Matias Ayarragaray Tabuenca, Maria Laura Gomez Vinassa, Noelia Celeste Fernandez","doi":"10.2305/iucn.ch.2018.edentata-19-1.7.en","DOIUrl":"https://doi.org/10.2305/iucn.ch.2018.edentata-19-1.7.en","url":null,"abstract":"","PeriodicalId":52080,"journal":{"name":"IUCN/SCC Otter Specialist Group Bulletin","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2019-01-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87708014","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Distribution and status of Paraguayan Xenarthra: towards a better understanding 巴拉圭Xenarthra的分布和现状:更好地了解
IUCN/SCC Otter Specialist Group Bulletin Pub Date : 2019-01-23 DOI: 10.2305/IUCN.CH.2018.EDENTATA-19-1.2.EN
Paul A. Smith, S. Ríos
{"title":"Distribution and status of Paraguayan Xenarthra: towards a better understanding","authors":"Paul A. Smith, S. Ríos","doi":"10.2305/IUCN.CH.2018.EDENTATA-19-1.2.EN","DOIUrl":"https://doi.org/10.2305/IUCN.CH.2018.EDENTATA-19-1.2.EN","url":null,"abstract":"Despite great xenarthran biodiversity, the Paraguayan armadillos and anteaters have received little attention from biologists and few data have been published about the distribution and status of the species. Furthermore, errors and contradictions persist in the literature. This paper collates specimen and literature data about this group to act as a basis for the stimulation of future research. Xenarthran specimens in all the major Paraguayan collections and all significant specimens in international collections were examined. Specimen data were collated and supplemented with literature and photographic data. Distribution data are provided according to a hierarchy of record reliability including examined specimens, non-examined specimens, literature records, photographic records, and significant observations. Thirteen species (11 armadillos and two anteaters) are confirmed to be present in Paraguay. Relevant discussion and distribution maps are provided for each species. Specimens of both Dasypus septemcinctus septemcinc­ tus and D. s. hybridus were examined and their distribution is clarified. There is no evidence that Bradypus variegatus occurs in Paraguay. Most xenarthran specimens were collected at least 35 years ago, and the specimen record may no longer represent current distribution given the rapidly changing landscape in the country. It is concluded that available data on Paraguayan Xenarthra shows a heavy bias taxonomically towards a few species (Dasypus novemcinctus, Tolypeutes matacus, and Euphractus sexcinctus) and geographically towards the Chaco region. Distribution in the Oriental region is poorly understood, and species that are confined to that region are known from few specimens. The southern portion of the Oriental region has been virtually unsampled.","PeriodicalId":52080,"journal":{"name":"IUCN/SCC Otter Specialist Group Bulletin","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2019-01-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73824616","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Predation of a Central American coral snake (Micrurus nigrocinctus) by a nine-banded armadillo (Dasypus novemcinctus) in Santa Rosa National Park, Costa Rica 哥斯达黎加圣罗莎国家公园，一条中美洲珊瑚蛇(Micrurus nigrocinctus)被一只九带犰狳(Dasypus novemcintus)捕食
IUCN/SCC Otter Specialist Group Bulletin Pub Date : 2019-01-23 DOI: 10.2305/IUCN.CH.2018.EDENTATA-19-1.9.EN
E. Carrillo, T. Fuller
{"title":"Predation of a Central American coral snake (Micrurus nigrocinctus) by a nine-banded armadillo (Dasypus novemcinctus) in Santa Rosa National Park, Costa Rica","authors":"E. Carrillo, T. Fuller","doi":"10.2305/IUCN.CH.2018.EDENTATA-19-1.9.EN","DOIUrl":"https://doi.org/10.2305/IUCN.CH.2018.EDENTATA-19-1.9.EN","url":null,"abstract":"We describe the manner in which a nine-banded armadillo (Dasypus novemcinctus) killed a Central American coral snake (Micrurus nigrocinctus) that it subsequently ate. The armadillo repeatedly ran towards, jumped, flipped over in mid-air, and landed on top of the snake with its back until the snake was","PeriodicalId":52080,"journal":{"name":"IUCN/SCC Otter Specialist Group Bulletin","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2019-01-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82965765","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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