Acoustic Detection Reveals Fine-Scale Distributions of<i>Myotis lucifugus, Myotis septentrionalis</i>, and<i>Perimyotis subflavus</i>in Eastern Nebraska

White, Jeremy A.; Lemen, Cliff A.; Freeman, Patricia W.

doi:10.3398/064.076.0105

Cited by 12 publications

(9 citation statements)

References 14 publications

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“…In our work we have found that acoustics can be effective in distinguishing some species but not others. We maintain that M. septentrionalis can be distinguished from other species present within our study area (White et al 2016). At the same time, based on our expertise, we would not attempt to distinguish Eptesicus fuscus and Lasionycteris noctivagans.…”

Section: Methodsmentioning

confidence: 95%

“…First, Kaleidoscope Pro (2.2.2) was used to automatically identify call sequences (using the intermediate setting for accuracy/sensitivity). Second, all identifications of M. septentrionalis were verified by visual inspection based on methods described in White et al (2016).…”

Section: Methodsmentioning

confidence: 99%

“…we did not attempt to model factors that determine the distributional limits of this species in eastern Nebraska. For this reason we restricted our research sites to areas in eastern Nebraska within the known distribution of M. septentrionalis (White et al 2016). Therefore, if M. septentrionalis is not detected, then we can assume it is not because we are beyond the distributional limits of the species.…”

Section: Introductionmentioning

confidence: 99%

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Habitat selection by the Northern Long-eared Myotis (Myotis septentrionalis) in the Midwestern United States: Life in a shredded farmscape

White¹,

Freeman²,

Lemen³

2017

Transactions of the Nebraska Academy of Sciences and Affiliated Societies

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Populations of the Northern Long-Eared Myotis (Myotis septentrionalis) have declined dramatically in recent years in eastern North America due to white-nose syndrome. Although M. septentrionalis was once common in parts of eastern North America, few studies have examined habitat selection of this species in an agricultural landscape. We used acoustical methods to quantify bat activity and construct a habitat model of M. septentrionalis in an intensively farmed area in the Midwestern United States, where mortality from white-nose syndrome has not yet been observed. Our study confirms that M. septentrionalis prefers forest and avoids open habitats in this agricultural region. The best landscape variable for predicting activity in woodland sites was the proportion of forest coverage within a radius of 2000 meters. Our analysis indicates that bat activity increased exponentially as forest coverage increased. There is no evidence that M. septentrionalis preferred open areas at the edge of forest (within 5 m of forest edge), or that once in the woods, the distance to the forest edge had any impact on activity.

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Section: Methodsmentioning

confidence: 95%

Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Habitat selection by the Northern Long-eared Myotis (Myotis septentrionalis) in the Midwestern United States: Life in a shredded farmscape

White¹,

Freeman²,

Lemen³

2017

Transactions of the Nebraska Academy of Sciences and Affiliated Societies

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“…This species has an unusual distribution in Nebraska with the nominate subspecies in the eastern third of the state and M. l. carissima in extreme western Nebraska in the Pine Ridge and North Platte River Valley (Jones 1964, Czaplewski et al 1979, Geluso et al 2013. During an acoustical survey, this species was detected at a number of localities across eastern Nebraska; however, White et al (2016) did not detect calls of the little brown bat at their two stations in Pawnee County in the summers of 2012 and 2014.…”

Section: Myotis Lucifugus Lucifugusmentioning

confidence: 94%

Observations on the Distribution and Status of Selected Nebraska Mammals

Roehrs¹,

Benedict²,

Labedz³

et al. 2021

TNAS

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Information on the distribution and current status of 25 species or subspecies of mammals occurring in Nebraska are presented. The species covered include one shrew, an armadillo, eight bats, 10 rodents (including two subspecies of one species), three carnivores, and one artiodactyl. Distributional information reported includes the first state record for one species (Sorex nanus) and new county records for 18 species. In Nebraska, we know that mammals are shifting their geographic ranges with some extending populations into the state, whereas others are expanding their geographic ranges within the state. The current status of six additional mammalian taxa in Nebraska is documented, providing knowledge important to the conservation of these species during this time of shifting environmental conditions. The concern is that some mammals have suffered population declines since the 1940s and may have a contracting geographic range as well in the state. These species would be endangered and could be lost to the mammalian fauna of the state. Extensive data on reproduction in these mammals are presented and the taxonomy of species is updated from the 1964 Mammals of Nebraska by Jones.

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“…It has been predicted that individuals roosting in forests in southeastern Nebraska move to nearby mines in the Louisville -Weeping Water area in Cass and Sarpy counties for winter (Jones 1964, Czaplewski et al 1979, Benedict 2004Geluso et al, 2004;. This prediction follows because M. septentrionalis is known to use these mines to hibernate (Jones, 1964;Czaplewski et al, 1979;Cliff Lemen unpublished data), and there are no other mines or caves known in eastern Nebraska (White et al, 2016). However, recent work shows that M. septentrionalis also uses cracks in rock faces (Lemen et al 2016).…”

Section: Introductionmentioning

confidence: 99%

Autumn Migration of Myotis septentrionalis in Nebraska: Documentation of Nightly Activity, Migratory Timing, and Distance Using Radio-telemetry

White¹,

Freeman²,

Otto³

et al. 2017

MANTER: Journal of Parasite Biodiversity

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Few studies have investigated autumn migration of the northern long-eared myotis (Myotis septentrionalis). We conducted a two-year radio-tracking study of M. septentrionalis in southeastern Nebraska to document migration dates, activity in autumn, and movements to wintering sites. We observed that at least some M. septentrionalis migrate in late October and early November. Prior to migration, cold nights curtailed nighttime volant activity outside of roosts for M. septentrionalis. Two bats in this study did not emerge from their roost tree for seven consecutive nights during a period of colder weather. We monitored one bat leaving our research area on the night of 20 October 2015 and detected it 2.8 h later near a mine 41 km away. This observation likely represents a migratory movement, but more research is needed to have a better understanding of autumn migration in M. septentrionalis.

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Acoustic Detection Reveals Fine-Scale Distributions ofMyotis lucifugus, Myotis septentrionalis, andPerimyotis subflavusin Eastern Nebraska

Cited by 12 publications

References 14 publications

Habitat selection by the Northern Long-eared Myotis (Myotis septentrionalis) in the Midwestern United States: Life in a shredded farmscape

Habitat selection by the Northern Long-eared Myotis (Myotis septentrionalis) in the Midwestern United States: Life in a shredded farmscape

Observations on the Distribution and Status of Selected Nebraska Mammals

Autumn Migration of Myotis septentrionalis in Nebraska: Documentation of Nightly Activity, Migratory Timing, and Distance Using Radio-telemetry

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