Histiotus magellanicus (Chiroptera: Vespertilionidae)

Díaz, M. Mónica; Ossa, Gonzalo; Bárquez, Rubén M.

doi:10.1093/mspecies/sez003

Cited by 11 publications

(7 citation statements)

References 23 publications

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“…Eptesicus.-Estudios filogenéticos basados en evidencia molecular (Roehrs et al 2010, Amador et al 2018 indican que Eptesicus es parafilético respecto a Histiotus. De esta forma, y a pesar de la gran distinción morfológica, las clasificaciones actuales consideran a Histiotus como un subgénero de Eptesicus (e.g., Simmons y Cirranello 2020; por ejemplos recientes donde se continua con el uso de Histiotus como género ver Díaz et al 2019…”

Section: Orden Chiropteraunclassified

“…Eptesicus (Histiotus) magellanicus ha sido considerado como una subespecie de E. (H.) montanus (Osgood 1943, Mann 1978, Iriarte 2008, Galaz et al 2009) o como sinónimo pleno de E. (H.) montanus (Koopman 1993). Díaz et al (2019), basándose en diferencias morfológicas (ver Barquez et al 1999) y genéticas (Giménez et al 2019), consideran que E. (H.) magellanicus representa una especie distinta de murciélago orejón.…”

Section: Y Wilson Y Mittermeier 2019)unclassified

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Lista actualizada de los mamíferos vivientes de Chile

D’Elı́a

Canto²,

Ossa³

et al. 2020

Boletín MNHN

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Se presenta una lista actualizada de los mamíferos vivientes con registros en Chile, compilada en diciembre de 2020. La lista incluye 163 especies silvestres agrupadas en 85 géneros, 31 familias y ocho órdenes. De estas especies, 20 son endémicas del país. También se provee la lista de 22 especies exóticas con poblaciones silvestres en Chile. Dado que aún persisten áreas de Chile que no han sido suficientemente exploradas, al tiempo que varios géneros no han sido adecuadamente revisados, y debido a que el estatus de algunas formas nominales es debatido, avizoramos que esta lista deberá ser actualizada en el futuro cercano.

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Section: Orden Chiropteraunclassified

Section: Y Wilson Y Mittermeier 2019)unclassified

Lista actualizada de los mamíferos vivientes de Chile

D’Elı́a

Canto²,

Ossa³

et al. 2020

Boletín MNHN

View full text Add to dashboard Cite

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“…A third species, Lasiurus varius (cinnamon red bat), may also inhabit this region, based on an observation from the Magellan Strait. Histiotus magellanicus is the larger of the two species (forearm: 42-47 mm; weight: 12-22 g), and is found in native and non-native forests throughout central and southern Chile (Rodriguez San Pedro et al, 2016;Díaz et al 2019). This species roosts in holes and fissures within the largest decaying trees available in their stands (Altamirano et al 2017), as well as underneath the loose bark of dead trees (Peña & Barria 1972).…”

Section: Study Speciesmentioning

confidence: 99%

Roosting ecology of the southernmost bats, Myotis chiloensis and Histiotus magellanicus, in southern Tierra del Fuego, Chile

et al. 2020

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There are few studies of day‐roosting ecology of bats inhabiting the southernmost forests of South America, where cool summer temperatures and land management practices pose several challenges. The goal of the present study was to describe day‐roosting habitats and patterns of thermoregulation in two bat species occurring on Tierra del Fuego, Myotis chiloensis (Chilean myotis) and Histiotus magellanicus (southern big‐eared brown bat), during late austral spring. To do so, we tagged 17 bats with temperature‐sensitive radio‐transmitters, located 17 day‐roosts, and collected 81 days of skin temperature data. We concurrently recorded ambient air temperature to determine its effect on torpor use. Both species were found roosting in large diameter (77.8 ± 6 cm), typically live, Nothofagus pumilio trees (lenga) located on the edges of forest gaps or within stands primarily composed of smaller, younger trees. Bats of both species frequently used torpor, with skin temperatures dropping below a torpor threshold on 89% of days (n = 72) and daily minimum skin temperatures averaging 16.5°C over the course of our study. Average daily air temperature was a significant predictor of torpor use, with lower skin temperatures and more time spent in torpor observed on colder days. Minimum skin temperature and time spent torpid did not vary between bat species, nor did the characteristics of day‐roosts. These data show that spring ambient temperatures in Tierra del Fuego pose an energetic challenge that bats meet through frequent use of torpor and, likely, habitat selection. We recommend local conservation efforts keep these thermal challenges in mind by retaining large trees, which may provide warmer microclimates or room for social groups.Abstract in Spanish is available with online material.

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“…The genus is found on all continents except Antarctica, with the greatest diversity found in South America ( Wilson and Reeder 2005 ). In South America, Eptesicus comprises 16 species so far ( Díaz et al 2019 ). Eptesicus inhabit almost every ecosystem on the continent, from the high altitudes of the Andes ( Baker 1974 ), to the coastal Atlantic Forest of Brazil ( Miranda et al 2007 ), the semiarid pampas of Argentina ( Barquez et al 2012 ), the Atacama desert ( Ossa et al 2014 ), and the temperate forest of southern Chile ( Altamirano et al 2017 ).…”

Section: Introductionmentioning

confidence: 99%

“…Divergence from genus Eptesicus sensu stricto has taken place rather recently, with a Cytochrome b ( CYTB )-dated tree by Giménez et al (2019) suggesting a split with Eptesicus occurring roughly 5 Ma. The development of the Andean region, glacial cycles, and associated glacial refugia most likely contributed to early diversification of Histiotus ( Díaz et al 2019 ; Giménez et al 2019 ). The subgenus, with suggested taxonomic status of Eptesicus ( H .…”

Section: Introductionmentioning

confidence: 99%

Whole-genome Analysis Reveals Contrasting Relationships Among Nuclear and Mitochondrial Genomes Between Three Sympatric Bat Species

Laine

Sävilammi

Wahlberg

et al. 2022

Genome Biology and Evolution

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Understanding mechanisms involved in speciation can be challenging, especially when hybridization or introgression blurs species boundaries. In bats resolving relationships of some closely related groups has proven difficult due subtle interspecific variation both in morphometrics and molecular datasets. The endemic South American Histiotus bats, currently considered a sub-genus of Eptesicus, harbor unresolved phylogenetic relationships and of those is a trio consisting of two closely related species: Eptesicus (Histiotus) macrotus and E. (H.) montanus, and their relationship with a third, E. (H.) magellanicus. The three sympatric species bear marked resemblance to each other, but can be differentiated morphologically. Furthermore, previous studies have been unable to differentiate the species from each other at a molecular level. In order to disentangle the phylogenetic relationships of these species, we examined the differentiation patterns and evolutionary history of the three Eptesicus (H.) species from Chile at the whole genome level. The nuclear DNA statistics between the species suggest strong gene flow and recent hybridization between E. (H.) montanus and E. (H.) macrotus, whereas E. (H.) magellanicus shows a higher degree of isolation. In contrast, mitochondrial DNA shows a closer relationship between E. (H.) magellanicus and E. (H.) montanus. Opposing patterns in mtDNA and nuclear markers are often due to differences in dispersal, and here it could be both as result of isolation in refugia during the last glacial maximum and female philopatry and male-biased dispersal. In conclusion, this study shows the importance of both the nuclear and mitochondrial DNA in resolving phylogenetic relationships and species histories.

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Histiotus magellanicus (Chiroptera: Vespertilionidae)

Cited by 11 publications

References 23 publications

Lista actualizada de los mamíferos vivientes de Chile

Lista actualizada de los mamíferos vivientes de Chile

Roosting ecology of the southernmost bats, Myotis chiloensis and Histiotus magellanicus, in southern Tierra del Fuego, Chile

Whole-genome Analysis Reveals Contrasting Relationships Among Nuclear and Mitochondrial Genomes Between Three Sympatric Bat Species

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