Notes on giant armadillo Priodontes maximus (Cingulata: Chlamyphoridae) distribution and ecology in Eucalyptus plantation landscapes in eastern Mato Grosso do Sul State, Brazil

Esteves, Carolina Franco; Homem, Daniel Henrique; Bernardo, Rodrigo; Lima, Elson Fernandes de

doi:10.2305/iucn.ch.2018.edentata-19-1.6.en

Cited by 4 publications

(6 citation statements)

References 26 publications

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“…Camera trapping has been one of the key tools used to advance P. maximus research. This technique has provided information on species presence (Porfirio et al, 2012;Massocato & Desbiez, 2017;Quiroga et al, 2017;Esteves et al, 2018), density (Noss et al, 2004;Silveira et al, 2009; The purpose of this article was not to discuss study designs or analysis methods, but rather to provide the tools so that researchers have a better chance to distinguish individual P. maximus recorded by their camera traps. Furthermore, the identification illustrations and suggestions proposed here may be extended and adapted to other armadillo species.…”

Section: Discussionmentioning

confidence: 99%

“…In addition to low densities, the species is solitary, nocturnal and has fossorial habits, making it particularly difficult to capture and study in the wild (Desbiez et al, 2019c). For this reason, camera traps have always been a very important tool in P. maximus research (Leite-Pitman et al, 2004;Noss et al, 2004;Silveira et al, 2009;Porfirio et al, 2012;Desbiez & Kluyber, 2013;Aya-Cuero et al, 2015Massocato & Desbiez, 2017;Quiroga et al, 2017;Esteves et al, 2018;Desbiez et al, 2019a, c). Noss et al (2004) were the first to use individual identification for camera trap records of P. maxi mus.…”

Section: Introductionmentioning

confidence: 99%

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Guidelines to identify individual giant armadillos, Priodontes maximus (Kerr, 1792), through camera traps

Massocato¹,

Desbiez²

2020

Edentata: The Newsletter of the IUCN/SSC Anteater, Sloth and Ar

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Camera trapping is one of the main tools used to advance Priodontes maximus research as it can provide information on the species' presence, densities, relative abundance, home ranges, movement, activity patterns, habitat use, reproduction, and parental care. Photographic records obtained by camera traps allow the individual identification of P. maximus if properly examined. The aim of this work is to provide researchers with the tools to identify individuals of P. maximus in their regions and stimulate further research and conservation work on the species. We use nine years of camera trap work to present and illustrate the different individual identification patterns that can be used to distinguish individuals as well as reproductive status and age class. We describe six different morphological characteristics that can be used for individual identification: cephalic scale pattern, tail markings, light band width and shape above the base of tail, hind limbs, flank scale pattern, and natural marks. Furthermore, we identified two characteristics that can be used to determine sex and age class of individuals. Using these individual identification patterns, a total of 88 P. maximus were individually identified in three areas of Brazil.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Guidelines to identify individual giant armadillos, Priodontes maximus (Kerr, 1792), through camera traps

Massocato¹,

Desbiez²

2020

Edentata: The Newsletter of the IUCN/SSC Anteater, Sloth and Ar

View full text Add to dashboard Cite

show abstract

“…Camera trapping has been one of the key tools used to advance P. maximus research. This technique has provided information on species presence (Porfirio et al, 2012;Quiroga et al, 2017;Esteves et al, 2018), density (Noss et al, 2004;Silveira et al, 2009; The purpose of this article was not to discuss study designs or analysis methods, but rather to provide the tools so that researchers have a better chance to distinguish individual P. maximus recorded by their camera traps. Furthermore, the identification illustrations and suggestions proposed here may be extended and adapted to other armadillo species.…”

Section: Discussionmentioning

confidence: 99%

“…In addition to low densities, the species is solitary, nocturnal and has fossorial habits, making it particularly difficult to capture and study in the wild (Desbiez et al, 2019c). For this reason, camera traps have always been a very important tool in P. maximus research (Leite-Pitman et al, 2004;Noss et al, 2004;Silveira et al, 2009;Porfirio et al, 2012;Desbiez & Kluyber, 2013;Aya-Cuero et al, 2015, 2017Quiroga et al, 2017;Esteves et al, 2018;Desbiez et al, 2019a, c). Noss et al (2004) were the first to use individual identification for camera trap records of P. maxi mus.…”

Section: Introductionmentioning

confidence: 99%

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2020

Edentata: The Newsletter of the IUCN/SSC Anteater, Sloth and Ar

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Welcome to another issue of Edentata! Edentata 20 includes one full article, four short communications, two field notes, and a News section packed with interesting announcements. If you use camera traps for your research, make sure to have a look at the first article, which provides guidelines to individually identify giant armadillos. The short communications include new records of two poorly known species, Cabassous centralis in Guatemala and Dasypus pilosus in Peru. Two contributions deal with behavioral observations, agonistic behavior among Bradypus variegatus and non-agonistic encounters of wild Myrmecophaga tridactyla. Unusual coloring patterns are described in two contributions, one about leucism in Bradypus variegatus and the other about an albino Tamandua tetradactyla. We're very happy to inform you that our Specialist Group has received a grant from the Species Survival Commission, which allowed us to completely redesign our website www.xenarthrans.org and publish this year's issue of Edentata. You will find additional information on the grant, a summary of a new article on maned sloths, and activities of some of our Specialist Group members in the News section. We are especially proud of our member Sergio Vizcaíno, who received the Outstanding Career Award from the Argentine Society for the Study of Mammals (SAREM). Congratulations, Sergio! More good news: we have a new Specialist Group member! Rachel Hoffmann was a key member of the SSC Office for 10 years and has been of fundamental help to many Specialist Groups, including the Anteater, Sloth and Armadillo Specialist Group. We're thrilled that she will be supporting us in an advisory role on administrative issues. Thanks for accepting, Rach! We'd like to give a warm welcome to Alessandra Bertassoni, who has joined the Edentata team as editorial assistant. Welcome to the team, Ale! Last, but not least, we would like to thank all anonymous reviewers for their excellent work! ii

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“…Therefore, the loss of a single individual can have a significant impact on the population. Despite occurring in anthropized areas, several studies have shown that the giant armadillo depends mainly on native vegetation to survive, especially in its early stages of life ( Vynne et al, 2011 ; Esteves et al, 2018 ; Desbiez et al ., 2020c ; Lemos et al, 2020 ). It is estimated that a population decline of at least 30% has already occurred over the past three generations ( Anacleto et al ., 2014 ), mainly due to anthropogenic actions such as habitat loss and fragmentation, hunting, roadkills, and illegal trafficking ( Anacleto et al ., 2014 ; Chiarello et al ., 2015 ; Carter et al, 2016 ; Banhos et al, 2020 ).…”

Section: Introductionmentioning

confidence: 99%

Reduced gene flow and bottleneck in the threatened giant armadillo (Priodontes maximus): implications for its conservation

Rodrigues,

Saranholi,

Inforzato

et al. 2024

Genet. Mol. Biol.

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The progressive fragmentation and loss of habitats represent the main threats for endangered species, causing genetic consequences that may have potential implications for a population’s long-term persistence. Large mammals are the most affected species among vertebrates. The giant armadillo Priodontes maximus is a large South American mammal threatened species, showing nocturnal, solitary and fossorial behavior, occurring at low population densities, and its population dynamics are still poorly known. In this study, we carried out the first assessment of genetic variability and population genetic structure of the species, using a panel of 15 polymorphic microsatellites developed by high-throughput genome sequencing . The spatial Bayesian clustering, F st and D est results indicated the presence of two genetic clusters (K = 2) in the study area. These results suggest a reduction in gene flow between individuals inhabiting the Brazilian savanna (Cerrado) and the Pantanal wetlands, with the increased human-driven habitat modifications possibly contributing for this scenario. A bottleneck signal was detected in both populations, and a subpopulation structuring in the Cerrado may also be reflecting consequences of the extensive habitat modifications. Findings from this study provide important and useful information for the future maintenance of genetic diversity and long-term conservation of this flagship species.

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Notes on giant armadillo Priodontes maximus (Cingulata: Chlamyphoridae) distribution and ecology in Eucalyptus plantation landscapes in eastern Mato Grosso do Sul State, Brazil

Cited by 4 publications

References 26 publications

Guidelines to identify individual giant armadillos, Priodontes maximus (Kerr, 1792), through camera traps

Guidelines to identify individual giant armadillos, Priodontes maximus (Kerr, 1792), through camera traps

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Reduced gene flow and bottleneck in the threatened giant armadillo (Priodontes maximus): implications for its conservation

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